Environmental Cleaning Procedures | HAIs

Current best practices for environmental cleaning procedures in patient care areas, as well as cleaning for specific situations (e.g., blood spills) and for noncritical patient care equipment.

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Overview

For use in global healthcare facilities
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The materials on this page were created for use in global healthcare facilities with limited resources, particularly in low- and middle-income countries. U.S. healthcare facilities should reference other webpages for environmental cleaning resources.

U.S. Healthcare Environment Infection Prevention

This chapter provides the current best practices for environmental cleaning procedures in patient care areas, as well as cleaning for specific situations (e.g., blood spills) and for noncritical patient care equipment; see summary in Appendix B1 ' Cleaning procedure summaries for general patient areas and Appendix B2 ' Cleaning procedure summaries for specialized patient areas.

The determination of environmental cleaning procedures for individual patient care areas, including frequency, method, and process, should be based on the risk of pathogen transmission.

This risk is a function of the:

• Probability of contamination.
• Vulnerability of the patients to infection.
• Potential for exposure (i.e., high-touch vs low-touch surfaces).

These three elements combine to determine low, moderate, and high risk'more frequent and rigorous (with a different method or process) environmental cleaning is required in areas with high risk. Risk determines cleaning frequency, method, and process in routine and contingency cleaning schedules for all patient care areas. This risk-based approach is outlined in Appendix A ' Risk-assessment for determining environmental cleaning method and frequency.

Risk-based environmental cleaning frequency principles

Probability of contamination: Heavily contaminated surfaces and items require more frequent and thorough environmental cleaning than moderately contaminated surfaces, which in turn require more frequent and rigorous environmental cleaning than lightly or non-contaminated surfaces and items.

Vulnerability of patients to infection: Surfaces and items in care areas containing vulnerable patients (e.g., immunosuppressed) require more frequent and rigorous environmental cleaning than surfaces and items in areas with less vulnerable patients.

Potential for exposure to pathogens: High-touch surfaces (e.g., bed rails) require more frequent and rigorous environmental cleaning than low-touch surfaces (e.g., walls).

Every facility should develop cleaning schedules, including:

• Identifying the person responsible.
• The frequency.
• The method (product, process).
• Detailed SOPs for environmental cleaning of surfaces and noncritical equipment in every type of patient care area.

Checklists and other job aids are also required to ensure that cleaning is thorough and effective.

These aspects are covered in more detail in 2.4.3 Cleaning checklists, logs, and job aids.

4.1 General environmental cleaning techniques

For all environmental cleaning procedures, always use the following general strategies:

Conduct visual preliminary site assessment

Proceed only after a visual preliminary site assessment to determine if:

• Patient status could pose a challenge to safe cleaning.
• There is any need for additional PPE or supplies (e.g., if there are any spills of blood/body fluids or if the patient is on transmission-based precautions).
• There are any obstacles (e.g., clutter) or issues that could pose a challenge to safe cleaning.
• There is any damaged or broken furniture or surfaces to be reported to supervisor/management.

Proceed from cleaner to dirtier

Proceed from cleaner to dirtier areas to avoid spreading dirt and microorganisms. Examples include:

• During terminal cleaning, clean low-touch surfaces before high-touch surfaces.
• Clean patient areas (e.g., patient zones) before patient toilets.
• Within a specified patient room, terminal cleaning should start with shared equipment and common surfaces, then proceed to surfaces and items touched during patient care that are outside of the patient zone, and finally to surfaces and items directly touched by the patient inside the patient zone (Figure 9). In other words, high-touch surfaces outside the patient zone should be cleaned before the high-touch surfaces inside the patient zone.
• Clean general patient areas not under transmission-based precautions before those areas under transmission-based precautions.

Figure 9. Example of a cleaning strategy from cleaner to dirtier areas

Proceed from high to low (top to bottom)

Proceed from high to low to prevent dirt and microorganisms from dripping or falling and contaminating already cleaned areas. Examples include:

• Cleaning bed rails before bed legs.
• Cleaning environmental surfaces before cleaning floors.
• Cleaning floors last to allow collection of dirt and microorganisms that may have fallen.

Proceed in a methodical, systematic manner

Proceed in a systematic manner to avoid missing areas'for example, left to right or clockwise (Figure 10).

In a multi-bed area, clean each patient zone in the same manner'for example, starting at the foot of the bed and moving clockwise.

Figure 10. Example of a cleaning strategy for environmental surfaces, moving in a systematic manner around the patient care area

Immediately attend to body fluid spills

Clean spills of blood or body fluids immediately, using the techniques in 4.5 Spills of blood or body fluids.

This is the general surface cleaning process:

1. Thoroughly wet (soak) a fresh cleaning cloth in the environmental cleaning solution.
2. Fold the cleaning cloth in half until it is about the size of your hand. This will ensure that you can use all of the surface area efficiently (generally, fold them in half, then in half again, and this will create 8 sides).
3. Wipe surfaces using the general strategies as above (e.g., clean to dirty, high to low, systematic manner), making sure to use mechanical action (for cleaning steps) and making sure to that the surface is thoroughly wetted to allow required contact time (for disinfection steps).
4. Regularly rotate and unfold the cleaning cloth to use all of the sides.
5. When all of the sides of the cloth have been used or when it is no longer saturated with solution, dispose of the cleaning cloth or store it for reprocessing.
6. Repeat process from step 1.

For all environmental cleaning procedures, these are the best practices for environmental cleaning of surfaces:

• Use fresh cleaning cloths at the start of each cleaning session (e.g., routine daily cleaning in a general inpatient ward).
• Change cleaning cloths when they are no longer saturated with solution, for a new, wetted cloth. Soiled cloths should be stored for reprocessing.
• For higher-risk areas, change cleaning cloths between each patient zone (i.e., use a new cleaning cloth for each patient bed). For example, in a multi-bed intensive unit, use a fresh cloth for every bed/incubator'see 4.6 Specialized patient areas for more guidance.
• Ensure that there are enough cleaning cloths to complete the required cleaning session.
• Never double-dip cleaning cloths into portable containers (e.g., bottles, small buckets) used for storing environmental cleaning products (or solutions).
• Never shake mop heads and cleaning cloths'it disperses dust or droplets that could contain microorganisms.
• Never leave soiled mop heads and cleaning cloths soaking in buckets.

High-touch surfaces

The identification of high-touch surfaces and items in each patient care area is a necessary prerequisite to the development of cleaning procedures, as these will often differ by room, ward and facility. See Appendix C ' Example of high-touch surfaces in a specialized patient area. Perform assessments and observations of workflow in consultation with clinical staff in each patient care area to determine key high-touch surfaces.

Include identified high-touch surfaces and items in checklists and other job aids to facilitate completing cleaning procedures. See 2.4.3 Cleaning checklists, logs, and job aids.

Common high-touch surfaces include:

• Bedrails
• IV poles
• Sink handles
• Bedside tables
• Counters where medications and supplies are prepared
• Edges of privacy curtains
• Patient monitoring equipment (e.g., keyboards, control panels)
• Transport equipment (e.g., wheelchair handles)
• Call bells
• Doorknobs
• Light switches

4.2 General patient areas

General patient areas include:

• Outpatient or ambulatory care wards.
• General inpatient wards with patients admitted for medical procedures, who are not receiving acute care (i.e., sudden, urgent or emergent episodes of injury and illness that require rapid intervention).

Three types of cleaning are required for these areas:

• Routine cleaning.
• Terminal cleaning.
• Scheduled cleaning.

Generally, the probability of contamination or the vulnerability of the patients to infection is low, so these areas may require less frequent and rigorous (e.g., method, process) cleaning than specialized patient areas.

4.2.1 Outpatient wards

General outpatient or ambulatory care wards include waiting areas, consultation areas, and minor procedural areas.

Table 6. Recommended Frequency, Method and Process for Outpatient Wards

Recommendations for Outpatient Wards by Area, Frequency, Method, and Process. Area Frequency Method Process Waiting / Admission At least once daily (e.g., per 24-hour period) Clean High-touch surfaces and floors Consultation / Examination At least twice daily Clean High-touch surfaces and floors Procedural (minor operative procedures; e.g., suturing wounds, draining abscesses) Before and after (i.e., between [Footnote e]) each procedure

 

Footnote e:
If there is prolonged time between procedures or local conditions that create risk for dust generation/dispersal, re-wipe surfaces with disinfectant solution immediately before the subsequent procedure.

Clean and disinfect High-touch surfaces and floors, with an emphasis on the patient zone, procedure table Procedural (minor operative procedures; e.g., suturing wounds, draining abscesses) End of the day (terminal clean) Clean and disinfect All surfaces and the entire floor

 

Handwashing sinks, thoroughly clean (scrub) and disinfect

Sluice areas/sinks or scrub areas

All Scheduled basis (e.g., weekly, monthly) and when visibly soiled Clean Low-touch surfaces; see 4.2.4 Scheduled cleaning

4.2.2 Routine cleaning of inpatient wards

Routine cleaning of inpatient areas occurs while the patient is admitted, focuses on the patient zones and aims to remove organic material and reduce microbial contamination to provide a visually clean environment.

Note: This occurs when the room is occupied, and systems should be established to ensure that cleaning staff have reasonable access to perform routine cleaning.

Table 7. Recommended Frequency, Method and Process for Routine Cleaning of Inpatient Wards

Recommendations for Inpatient Wards by Frequency, Method, and Process. Frequency Method Process At least once daily (e.g., per 24-hour period) Clean High-touch surfaces and floors

Handwashing sinks

Scheduled basis (e.g., weekly) and when visibly soiled Clean Low-touch surfaces; see 4.2.4 Scheduled cleaning

4.2.3 Terminal or discharge cleaning of inpatient wards

Terminal cleaning of inpatient areas, which occurs after the patient is discharged/transferred, includes the patient zone and the wider patient care area and aims to remove organic material and significantly reduce and eliminate microbial contamination to ensure that there is no transfer of microorganisms to the next patient.

Terminal cleaning requires collaboration between cleaning, IPC, and clinical staff to delineate responsibility for every surface and item, including ensuring that:

• Disposable personal care items are discarded.
• Patient care equipment is removed for reprocessing.

It is important that the staff responsible for these tasks are identified in checklists and SOPs to ensure that items are not overlooked because of confusion in responsibility.

Table 8. Recommended Frequency, Method and Process for Terminal Cleaning of Inpatient Wards

Recommendations for Terminal Cleaning of Inpatient Wards by Frequency, Method, and Process. Frequency Method Process Patient transfer or discharge Clean and disinfect See general terminal cleaning process below

This is the general terminal cleaning process:

1. Remove soiled/used personal care items (e.g., cups, dishes) for reprocessing or disposal.
2. Remove facility-provided linens for reprocessing or disposal. See Appendix D ' Linen and laundry management.
3. Inspect window treatments. If soiled, clean blinds on-site, and remove curtains for laundering.
4. Reprocess all reusable (noncritical) patient care equipment; see 4.7 Noncritical patient care equipment.
5. Clean and disinfect all low- and high-touch surfaces, including those that may not be accessible when the room/area was occupied (e.g., patient mattress, bedframe, tops of shelves, vents), and floors.
6. Clean (scrub) and disinfect handwashing sinks.

4.2.4 Scheduled cleaning

Scheduled cleaning occurs concurrently with routine or terminal cleaning and aims to reduce dust and soiling on low touch items or surfaces. Perform scheduled cleaning on items or surfaces that are not at risk for soiling under normal circumstances, using neutral detergent and water. But if they are visibly soiled with blood or body fluids, clean and disinfect these items as soon as possible.

Table 9. Recommended Frequency, Method and Process for Scheduled Cleaning of Inpatient Wards

Recommendations for Scheduled Cleaning of Inpatient Wards by Frequency, Method, and Process. Frequency Method Process Weekly Clean High surfaces (above shoulder height) such as tops of cupboards, vents

Walls, baseboards and corners

Monthly See Appendix D ' Linen and laundry management Window blinds, bed curtains Annually See Appendix D ' Linen and laundry management Window curtains

4.3 Patient area toilets

Toilets in patient care areas can be private (within a private patient room) or shared (among patients and visitors). They have high patient exposure (i.e., high-touch surfaces) and are frequently contaminated. Therefore, they pose a higher risk of pathogen transmission than in general patient areas.

Cultural considerations

Toileting practices vary, in terms of both the types of toilets in use (e.g., squat or sit, wet or dry) and the adherence to correct use. Therefore, needs for cleaning and disinfection vary. In some cases, more than twice daily cleaning and disinfection may be warranted.

Depending on resource and staffing levels, dedicated cleaning staff posted at shared toilets in healthcare facilities could reduce risk associated with these areas.

Table 10. Recommended Frequency, Method and Process for Patient Area Toilets

Recommendations for Patient Area Toilets by Area, Frequency, Method, and Process. Area Frequency Method Process Private toilets At least once daily (e.g., per 24-hour period), after routine cleaning of patient care area Clean and disinfect High-touch and frequently contaminated surfaces in toilet areas (e.g., handwashing sinks, faucets, handles, toilet seat, door handles) and floors Public or shared toilets (e.g., patients, visitors, family members) At least twice daily Clean and disinfect High-touch and frequently contaminated surfaces in toilet areas (e.g., handwashing sinks, faucets, handles, toilet seat, door handles) and floors Both (private and shared) Scheduled basis (e.g., weekly) and when visibly soiled Clean Low-touch surfaces; see 4.2.4 Scheduled cleaning

4.4 Patient area floors

Floors generally have low patient exposure (i.e., are low-touch surfaces) and pose a low risk for pathogen transmission. Therefore, under normal circumstances they should be cleaned daily, but the use of a disinfectant is not necessary.

There are situations where there is higher risk associated with floors (e.g., high probability of contamination), so review the specific procedures in 4.2 General patient areas and 4.6 Specialized patient areas for guidance on frequency of environmental cleaning of floors and when they should also be disinfected.

Table 11. Recommended Frequency, Method and Process for Patient Area Floors

Recommendations for Patient Area Floors by Area, Frequency, Method, and Process. Area Frequency Method Process Floors in general inpatient and outpatient areas, always cleaned last after other environmental surfaces At least once daily (e.g., per 24-hour period) or as often as specified in the specific patient care area Clean (unless otherwise specified within specific patient care area) See general mopping process below

This is the general mopping process:

1. Immerse the mop or floor cloth in the bucket with environmental cleaning solution and wring out.
2. Mop in a figure-8 pattern with overlapping strokes, turning the mop head regularly (e.g., every 5-6 strokes).
3. After cleaning a small area (e.g., 3m x 3m), immerse the mop or floor cloth in the bucket with rinse water and wring out.
4. Repeat process from step 1.

Figure 11. Illustration of mopping strategy, working toward the exit

These are the best practices for environmental cleaning of general patient area floors:

• Use wet floor or caution signs to prevent injuries.
• Mop from cleaner to dirtier areas.
• Mop in a systematic manner, proceeding from area farthest from the exit and working towards the exit (Figure 11).
• Change mop heads/floor cloths and buckets of cleaning and disinfectant solutions as often as needed (e.g., when visibly soiled, after every isolation room, every 1-2 hours) and at the end of each cleaning session.

4.5 Spills of blood or body fluids

Regardless of the risk-level of an area, spills or contamination from blood or body fluid (e.g., vomitus), must be cleaned and disinfected immediately using a two-step process.

Table 12. Recommended Frequency, Method and Process for Spills of Blood or Body Fluids

Recommendations for Spills of Blood or Body Fluids by Area, Frequency, Method, and Process. Area Frequency Method Process Any spill in any patient or non-patient area Immediately, as soon as possible Clean and disinfect:

• do not use combined detergent-disinfectant product
• use intermediate-level disinfectant

See general process for cleaning of spills of blood or body fluids below

This is the general process for cleaning of spills of blood or body fluids:

1. Wear appropriate PPE. See Table 5 in 3.4 Cleaning Supplies and Equipment.
2. Confine the spill and wipe it up immediately with absorbent (paper) towels, cloths, or absorbent granules (if available) that are spread over the spill to solidify the blood or body fluid (all should then be disposed as infectious waste).
3. Clean thoroughly, using neutral detergent and warm water solution.
4. Disinfect by using a facility-approved intermediate-level disinfectant.
   1. Typically, chlorine-based disinfectants at 500-ppm free chlorine (1:100 or 1:10 dilution of 5% chlorine-bleach; depending on the size of the spill) are adequate for disinfecting spills (however, do not use chlorine-based disinfectants on urine spills). See Appendix E ' Chlorine disinfectant solution preparation.
   2. Take care to allow the disinfectant to remain wet on the surface for the required contact time (e.g., 10 minutes), and then rinse the area with clean water to remove the disinfectant residue (if required).
5. Immediately send all reusable supplies and equipment (e.g., cleaning cloths, mops) for reprocessing (i.e., cleaning and disinfection) after the spill is cleaned up.

4.6 Specialized patient areas

Specialized patient areas include those wards or units that provide service to:

• High-dependency patients, (e.g., ICUs).
• Immunosuppressed patients (e.g., bone marrow transplant, chemotherapy).
• Patients undergoing invasive procedures (e.g., operating theater rooms).
• Patients who are regularly exposed to blood or body fluids (e.g., labor and delivery ward, burn units).

Roles and responsibilities'

Pay special attention to roles and responsibilities for environmental cleaning.

This vulnerable population is more prone to infection and the probability of contamination is high, making these areas higher risk than general patient areas.

Unless otherwise indicated, environmental surfaces and floors in the following sections require cleaning and disinfection with a facility-approved disinfectant for all cleaning procedures described.

4.6.1 Operating rooms

Operating rooms are highly specialized areas with a mechanically controlled atmosphere where surgical procedures are performed. These require environmental cleaning at three distinct intervals throughout the day:

• Before the first procedure.
• Between procedures.
• After the last procedure (i.e., terminal cleaning).

Responsible staff

Because operating rooms are highly specialized areas, the surgery department clinical staff usually manages environmental cleaning. Operating room nurses and their assistants sometimes perform cleaning duties along with, or sometimes instead of, general cleaning staff.

Critical and semi-critical equipment in the operating rooms require specialized reprocessing procedures and are never the responsibility of environmental cleaning staff. The processes described below pertain only to the cleaning and disinfection of environmental surfaces and the surfaces of noncritical equipment.

Where multiple staff are involved, clearly defined and delineated cleaning responsibilities must be in place for cleaning of all environmental surfaces and noncritical patient care equipment (stationary and portable). The use of checklists and SOPs is highly recommended.

Table 13. Recommended Frequency and Process for Operating Rooms

Recommendations for Operating Rooms by Frequency and Process. Frequency Process Before the first procedure Carefully inspect records and assess the operating space to ensure that the terminal clean was completed the previous evening.

Wipe all horizontal surfaces in the room (e.g., furniture, surgical lights, operating bed, stationary equipment) with a disinfectant to remove any dust accumulated overnight.

• Under normal circumstances, it is not necessary to perform the cleaning step in the morning if terminal cleaning was conducted the evening before. This preliminary clean just utilizes a disinfectant to ensure that the space is fully decontaminated before the first procedure.

If there was no written confirmation or terminal cleaning on the previous day, do a full terminal clean (see Terminal Clean on this table).

Thoroughly clean and disinfect portable patient-care equipment that is not stored within the operating room, such as suction regulators, anesthesia trolley, compressed gas tanks, x-ray machines, and lead gowns, before introduction into the operating room.

Before and after each procedure Remove all used linen and surgical drapes, waste (including used suction canisters, ¾ filled sharps containers), and kick buckets, for reprocessing or disposal.

Clean and disinfect:

• high-touch surfaces (e.g., light switches, doorknobs) outside of the surgical field
• any visible blood or body fluids outside of the surgical field (e.g., walls, floors)
• all surfaces (high- and low-touch) and the floor inside of the surgical field, including:
  • tops of surgical lights
  • reflective portion of surgical lights
  • suction canisters
  • tourniquet cuffs and leads
  • anesthesia trolley
  • operating table from top to bottom

After the final procedure (i.e., terminal clean) Clean and disinfect:

• horizontal surfaces (high- and low-touch) and fixed equipment in the room, including booms and wheels of any equipment (e.g., carts)
• vertical surfaces such as walls and windows as needed to remove visible soiling
• ventilation (ducts)
• handwashing sinks, scrub and utility areas/sinks
• entire floor, including baseboards
  • take care to move the operating table and any mobile equipment to make sure to reach the floor areas underneath

Thoroughly clean and disinfect portable patient-care equipment that is not stored within the operating room before removal from the operating room. Examples include:

• suction regulators
• anesthesia trolley
• compressed gas tanks
• x-ray machines
• lead gowns

Scheduled basis (e.g., weekly, monthly) At the same time as daily terminal cleaning, clean and disinfect:

• low-touch surfaces not cleaned every day (unless visibly soiled), including:
  • ceilings
  • walls
  • insides of cupboards

Environmental cleaning supplies and equipment for the operating room (OR)

Have dedicated supplies and equipment for the OR (e.g., mops, buckets).

Use fresh mops/floor cloths and mopping solutions for every cleaning session, including between procedures.

Use fresh cleaning cloths for every cleaning session, regularly replacing them during cleaning and never double-dipping them into cleaning and disinfectant solutions.

4.6.2 Medication preparation areas

Departments or areas where medication is prepared (e.g., pharmacy or in clinical areas) often service vulnerable patients in high-risk and critical care areas, in addition to other patient populations.

Responsible staff

The staff who work in the medication preparation area might be responsible for cleaning and disinfecting it, instead of the environmental cleaning staff.

Develop detailed SOPs and checklists for each facility to identify roles and responsibilities for environmental cleaning in these areas.

Table 14. Recommended Frequency and Process for Medication Preparation Areas

Recommendations for Medication Preparation Areas by Frequency and Process. Frequency Process Before and after every use Countertops and portable carts used to prepare or transport medications At least once every 24 hours All high-touch surfaces (e.g., light switches, countertops, handwashing sinks, cupboard doors) and floors Scheduled basis (e.g., weekly, monthly) Low-touch surfaces, such as the tops of shelves, walls, vents

4.6.3 Sterile service departments (SSD)

Departments or areas where semi-critical and critical equipment is sterilized and stored (i.e., sterile services) often service vulnerable patients in high-risk and critical care areas, in addition to other patient populations.

Responsible staff

Staff who work in the SSD might be responsible for cleaning and disinfecting it instead of environmental cleaning staff. Alternatively, it is possible to train and assign a dedicated cleaning staff member to this area.

Develop detailed SOPs and checklists for each facility to identify roles and responsibilities for environmental cleaning in these areas.

Table 15. Recommended Frequency and Process for Sterile Service Departments (SSD)

Recommendations for Sterile Service Departments (SSD) by Frequency and Process. Frequency Process Before and after every use Utility sinks used for washing medical devices (e.g., endoscopes) At least twice daily All high-touch surfaces (e.g., countertops, surfaces of washing equipment, handwashing sinks) and floors Scheduled (e.g., weekly, monthly) Low-touch surfaces, such as the tops of shelves, walls, vents

Additional best practices for sterile service departments (SSD)

SSDs have two distinct areas, the soiled area (also called dirty area or decontamination area) and the clean area.

• Start daily environmental cleaning with the clean area and finish with the dirty area.
• Provide separate environmental cleaning supplies and equipment, including PPE for cleaning staff (e.g., reusable rubber gloves, gowns), to prevent cross-contamination between these areas.
• If resources permit, assign separate cleaning staff/teams to each area. If not, clean at different times of the day depending on the workflow.

Find further guidance on environmental cleaning in SSDs here: Decontamination and Reprocessing of Medical Devices for Health-care Facilities.

4.6.4 Intensive care units

Intensive care units (ICUs) are high-risk areas due to the severity of disease and vulnerability of the patients to develop infections.

Frequency and process is the same for adult, pediatric, and neonatal units, but there are specific considerations for neonatal areas. See Process / Additional guidance in Table 16 below.

Table 16. Recommended Frequency and Process for Intensive Care Units

Recommendations for Intensive Care Units by Frequency and Process. Frequency Process / Additional guidance Twice daily and as needed Clean and disinfect high-touch surfaces

 

Clean floors with neutral detergent and water

If a neonatal incubator is occupied, clean and disinfect only the outside; only clean (neutral detergent) on inside

Ensure that cleaning schedules details responsible staff (e.g., nursing or cleaning staff) for environmental cleaning of surfaces of noncritical patient care equipment

For more information, please visit Surgical faucet solutions.

Last clean of the day: also clean low-touch surfaces; see 4.2.4 Scheduled cleaning

Scheduled basis (e.g., weekly) and when visibly soiled Scheduled basis (e.g., weekly) and when visibly soiled

 

Change filters in incubators according to manufacturer's instructions, when wet or if neonate was on contact precautions (during terminal clean)

After patient transfer or discharge (i.e., terminal cleaning) See 4.2.3 Terminal or discharge cleaning of inpatient wards

 

Pay special attention to terminal cleaning of incubators

Pay special attention to ensure reprocessing of noncritical patient care equipment

Environmental cleaning supplies and equipment for the ICU

Provide dedicated supplies and equipment for the ICU (e.g., mops, buckets) that are not used anywhere else.

Use fresh mops/floor cloths and mopping solutions for every cleaning session.

Use fresh cleaning cloths for surfaces for every cleaning session (at least two per day), regularly replacing them during cleaning and never double-dipping into cleaning and disinfectant solutions.

4.7 Noncritical patient care equipment

Portable or stationary noncritical patient care equipment incudes IV poles, commode chairs, blood pressure cuffs, and stethoscopes. These high-touch items are:

• Used by healthcare workers to touch patients (i.e., stethoscopes).
• Frequently touched by healthcare workers and patients (i.e., IV poles).
• Often shared between patients.

Critical and semi-critical equipment'

Critical and semi-critical equipment requires specialized reprocessing procedures and is never the responsibility of environmental cleaning staff.

Figure 12. Examples of noncritical patient care equipment that are high touch surfaces

Responsible staff

The responsibility for cleaning noncritical patient care equipment might be divided between cleaning and clinical staff, so it is best practice to clearly define and delineate cleaning responsibilities for all equipment (stationary and portable).

Develop a cleaning chart or schedule outlining the method, frequency, and staff responsible for cleaning every piece of equipment in patient care areas and take care to ensure that both cleaning and clinical staff (e.g., nursing) are informed of these procedures so that items are not missed.

These are the best practices for selection and care of noncritical patient care equipment:

• Clean all equipment using the methods and products available at the facility.
• All equipment should include detailed written instructions for cleaning and disinfection from the manufacturer, including pictorial instructions if disassembly is required.
• Train the staff responsible for cleaning equipment on procedures before the equipment is placed into use.
• In patient care areas, do not purchase, install, or use equipment that cannot be cleaned and disinfected, unless they can be fitted with plastic (or other material) coverings.
• If plastic coverings are protecting difficult-to-clean equipment, clean these items with the same frequency, inspect coverings for damage on a regular basis, and repair or replace them as needed.

Table 26. Recommended Selection and Care of Noncritical Patient Care Equipment

Recommended Selection and Care of Noncritical Patient Care Equipment by Type of Equipment, Frequency, Method, and Additional Guidance. Type of Equipment Frequency Method Additional Guidance Shared (e.g., general inpatient wards) Before and after each use Clean and disinfect Select a compatible disinfectant; see 4.7.1 Material compatibility considerations

 

Clean and disinfect heavily soiled items (e.g., bedpans) outside of the patient care area in dedicated 4.7.2 Sluice rooms

Disinfect bedpans with a washer-disinfector or boiling water instead of a chemical disinfection process.

Dedicated (e.g., transmission-based precautions, isolation wards) According to frequency of patient care area (at the same time as routine cleaning) Method based on the risk level of the patient care area Select a compatible disinfectant; ee 4.7.1 Material compatibility considerations

 

Clean and disinfect heavily soiled items (e.g., bedpans) outside of the patient care area in dedicated 4.7.2 Sluice rooms

Disinfect bedpans with a washer-disinfector or boiling water instead of a chemical disinfection process

All After patient transfer or discharge (i.e., terminal cleaning) Clean and disinfect Conduct terminal cleaning of all noncritical patient care equipment in 4.7.2 Sluice rooms

4.7.1 Material compatibility considerations

A list of compatible cleaning and disinfectant products should be included in manufacturer's instructions or provided by the manufacturer upon request.

If manufacturer instructions are not available, here are the applicable material compatibility considerations and best practices for use of common healthcare disinfectants:

Table 27. Recommended Material Cleaning and Disinfectant Compatibility Considerations

Recommended Material Cleaning and Disinfectant Compatibility Considerations by Disinfectant, Material Compatibility Considerations, and Best Practices. Disinfectant Material compatibility considerations Best practices for use on noncritical patient care equipment Chlorine/ hypochlorite-based Corrosive to metals

• Concentration should not exceed ppm or 0.1%
• Rinse equipment with clean water after disinfection

Alcohols (60-80%) Could deteriorate glues and cause damage to plastic tubing, silicone, and rubber

• Good for disinfecting small equipment or devices that can be immersed (e.g., stethoscopes, thermometers)

4.7.2 Sluice rooms

Each major patient care area should be equipped with a designated sluice room to reprocess soiled noncritical patient care equipment (e.g., commode chairs, bedpans). Alternatively, there may be central depots where these procedures are performed.

Sluice rooms should be as close as possible to the patient care areas that they serve and should have an organized workflow from soiled (dirty) to clean.

The soiled area (used for reprocessing equipment) should be adequately sized and have:

• A door that is kept closed at all times and ideally has hands-free operation.
• A work counter and sluice/utility sink with a hot and cold faucet.
• A dedicated handwashing sink.
• Space for washers/disinfectors (if resources allow).
• PPE available to protect staff during cleaning and disinfecting procedures.

The clean area (used for storing reprocessed equipment) should:

• Be distinctly separate from (by workflow) soiled areas to prevent confusion regarding reprocessing status.
• Have shelves that are smooth, non-porous, and easy to clean.
• Be protected from water and soil, dirt, and dust.
• Be as close as possible to patient areas and easily available to staff.

Table 28. Recommended Frequency, Method and Process of Sluice Rooms

Recommendations for Sluice Rooms by Type of Equipment, Frequency, Method, and Additional Guidance. Type of Equipment Frequency Method Additional Guidance Soiled areas At least once daily (e.g., per 24-hours period) Clean and disinfect High-touch and frequently contaminated surfaces, including work counters and sinks, and floors (floors only require cleaning) Clean area At least once daily (e.g., per 24-hours period) Clean Horizontal surfaces and floors

Clean equipment should be covered or removed during cleaning process

Both Scheduled basis (e.g., weekly) and when visibly soiled Clean Low-touch surfaces (e.g., vents, tops of cupboards)

4.8 Methods for assessment of cleaning and cleanliness

It is best practice to perform routine, standardized assessments of environmental cleaning (i.e., practices, level of cleanliness) in order to:

• Ensure that environmental cleaning procedures are being performed according to best practices and facility policy.
• Use results to inform program improvement (e.g., training, resource allocation).

This section includes an overview of the available methods, as well as their advantages and disadvantages. The best practices for developing a system of routine monitoring, audit, and feedback within environmental cleaning program implementation are covered in 2.5 Monitoring, feedback, and audit elements.

Methods for assessing cleaning practice include (Table 29 below)

• Direct performance observations.
• Visual assessment.
• Fluorescent markers.

Methods for assessing the level of cleanliness include (Table 30 below)

• Measuring the residual bioburden (i.e., ATP).
• Taking a bacteriological culture of the surface itself using a swab or contact agar plate method.

Table 29. Advantages and Disadvantages of Monitoring Methods for Assessing Cleaning Practice: Adherence to Cleaning Procedures

Monitoring Methods for Adherence to Cleaning Procedures by Method, Advantages, and Disadvantages. Method Advantages Disadvantages Performance observations: observers (e.g., cleaning supervisors) use standardized perform structured observations using checklists that are specific to individual patient care areas. The goal is to rate the effectiveness of cleaning staff and adherence to the SOP (such as identifying the number of steps performed correctly). Can be used for large areas (units, wards)

Easy to implement

Benchmarking is possible

Simple and inexpensive

Allows immediate and direct feedback to individual staff

Encourages cleaning staff engagement and input

Identifies gaps for staff training/job aid improvements

Subjective'difficulty in standardizing methodology and assessment across observers

Labor-intensive

Results affected by Hawthorne bias (i.e., more of an assessment of knowledge than actual practice)

Does not assess or correlate to bioburden

Visual assessment of cleanliness: after an area has been cleaned, observers check the cleanliness of items. For example, using a gloved hand, wipe surfaces to inspect for dust. Can be applied to entire facility or specific units/wards

Easy to implement

Benchmarking is possible

Inexpensive

Allows immediate and direct feedback to individual staff

Could be delay in feedback dependent on method used to compile results

Subjective'based on individual determinations of dust/debris levels

Does not assess or correlate to bioburden

Fluorescent markers (e.g., UV visible):
a tracing agent (e.g., fluorescent material, chemical tracer) marks predetermined items and surfaces before cleaning. After cleaning, a trained observer uses a detecting agent (e.g., ultraviolet light, enzymatic detector) to determine if any tracing agent is left. The observer counts the items that still show tracing agent and gives a score based on how many were cleaned completely, partially, or not at all.

Quick

Provides immediate feedback on performance

Minimal training required to perform

Objective

Benchmarking is possible

Relatively inexpensive

Does not assess or correlate to bioburden

Labor-intensive as surfaces should be marked before cleaning and checked after cleaning has been completed

Some difficulties documented in terms of removal of markers from porous or rough surfaces (e.g., canvas straps)

Time-intensive

Need to vary frequency and objects to prevent monitoring system from becoming known

Table 30. Advantages and Disadvantages of Monitoring Methods for Assessing Cleanliness: Effectiveness of Cleaning Procedures

Monitoring Methods for Effectiveness of Cleaning Procedures by Method, Advantages, and Disadvantages. Method Advantages Disadvantages ATP bioluminescence:
detection of ATP indicates that organic material (microbial or biologic) is present on an object or surface. Objects are tested before and after cleaning to determine the effectiveness of a cleaning procedure. A numeric score can be generated based on the proportion of marked surfaces/objects that were under the pre-determined threshold.

Quick

Provides immediate feedback

Minimal training required to perform

Objective

Expensive

Low sensitivity and specificity

Lacks a standardized threshold or benchmark for determining the level or status of cleanliness (i.e., 'safe' post-cleaning ATL levels) for specific surfaces or patient care areas

Variable benchmarks

Technology constantly changing

Interference of cleaning products, supplies and in some cases surfaces, which can both reduce or enhanced ATP levels (e.g., bleach, microfiber, stainless steel)

Environmental cultures:
the only direct measurement of levels of microbial contamination after cleaning. In this process, cultures are taken (by swabbing or use of RODAC or contact agar plates) after an item is cleaned. Swabbing can indicate the presence of a specific bacteria on a surface. Contact agar plates can show the level of bacterial contamination on an area of a large, flat surface.

High sensitivity and specificity

Provides direct indication of presence of specific pathogens (direct swab cultures)

May be useful for identifying source of outbreaks and/or environmental reservoirs

Objective

Not recommended for routine use

Expensive

Prolonged time for results (>48hrs)

Requires access to laboratory resources and trained personnel for interpreting results

Lack of defined threshold or benchmark for determining the level or status of cleanliness (e.g., colony-forming units per surface area)

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