CRCST Departmental Considerations Study Guide

What this domain covers

A humidity reading is out of range. A coworker is dressed wrong. A surveyor asks for a record. Questions like these make up Departmental Considerations, about 15% of the CRCST exam.

The domain is about the setting that sterile processing work happens in. It covers:

• The physical environment of each work area
• Safety and attire rules for staff
• The agencies and standards that govern the work
• The records the department keeps
• How quality is measured and improved

Environmental controls by area

Each area of the department has its own air flow, temperature and humidity requirements. These come from ventilation standards such as ANSI/ASHRAE/ASHE Standard 170 and are referenced in AAMI ST79.

Decontamination is the opposite of the clean areas. It is kept at negative pressure, so air flows into the room and contaminants stay inside. Its air is exhausted directly outdoors, not recirculated to other areas. High humidity in the clean areas lets moisture wick into packaging and supports microbial growth.

Air moves from higher pressure to lower pressure. Hold a tissue at the gap under the decontamination door. If it blows out toward the hallway, the room has lost its negative pressure. Keeping doors closed and not propping them open protects these pressure relationships.

When a reading is out of range, report it promptly to the supervisor so facilities engineering can correct it. Document the reading and the action taken. The department then follows its policy for deciding whether stored items were affected. Do not "fix" the problem yourself by opening doors to hallways or moving sterile items to another area.

Area cleaning

Floors and horizontal work surfaces are cleaned at least daily. Walls, shelving, vents and other surfaces are cleaned on a regular schedule set by policy, and whenever soiled.

Cleaning moves from the cleanest area to the dirtiest: sterile storage first, then preparation and packaging, then decontamination. Cleaning equipment used in decontamination stays there and is not used in clean areas.

Chemical safety

OSHA's Hazard Communication Standard (29 CFR 1910.1200) gives workers the right to know about the chemicals they use.

• Safety Data Sheets (SDS) have 16 sections and list each chemical's hazards, required PPE, first aid, and spill and handling steps. They must be readily available. When you need to know the PPE for a detergent concentrate, check the SDS, not the instrument's instructions for use (IFU).
• Labels: containers of hazardous chemicals must be labeled. Say you pour a chemical into a spray bottle that others will use. That bottle needs a label with the product name and its hazards. The only exception is a container for your own immediate use.
• Training: required at initial assignment and whenever a new chemical hazard is introduced into the work area.
• Spills: warn others, follow the SDS for PPE and cleanup, use the spill kit and report per policy.
• Eyewash stations (ANSI/ISEA Z358.1): reachable within about 10 seconds, on the same level as the hazard, with a clear path. Flush the eyes for at least 15 minutes. Stations are activated weekly to confirm they work and flush the line.

Personnel: dress code, traffic control and ergonomics

Dress code

Attire rules reduce the hair, skin and microorganisms shed onto instruments and packages.

• Facility-laundered scrubs, not street clothes.
• All head and facial hair covered.
• Jewelry removed or fully contained.
• No artificial nails or extenders. They harbor microorganisms and can tear gloves.
• No food or drink in work areas.

Decontamination PPE is contaminated. Remove it and perform hand hygiene before leaving decontamination, even for a quick trip to the prep area. The order for putting on and taking off PPE is in the cleaning and decontamination guide.

Traffic control and one-way flow

Items move one way: decontamination, then preparation and packaging, then sterilization, then sterile storage. This keeps soiled items from crossing paths with clean and sterile ones.

• Cleaned items move to the clean side through pass-through washers or pass-through windows, not carried by staff in PPE.
• Soiled carts return covered or closed, by a soiled route, directly to decontamination. They never pass through sterile storage or ride with sterile supplies.
• Loaner trays go to decontamination first, whatever the vendor says about earlier sterilization.

Ergonomics

Lift with the load close to your body, bend at the knees and avoid twisting; pivot with your feet. Get help with sets that are too heavy. For long periods at a table, set the work surface near elbow height and use anti-fatigue mats. Task rotation and breaks lower the risk of strain.

Regulations and standards

Know who does what. Exam questions often describe a role and ask which body fits it.

States may add their own rules. A hospital that reprocesses a device labeled single-use is treated by the FDA as that device's manufacturer. So departments do not do this on request.

Documentation and record keeping

Records let the department trace each item to the load it was processed in and recall items if a problem is found. They also show surveyors that processes were monitored. Common records include:

• Sterilizer load records and printouts, and test results
• Temperature and humidity logs
• Equipment maintenance and repair records
• Training and competency records
• Quality audits and incident reports

Rules to know:

• Corrections: draw a single line through the error, write the correct entry, and add your initials and the date. Never use correction fluid, scribble over an entry or rewrite the page.
• Retention: keep records for the period set by facility policy, which is based on state and federal requirements. The exact number of years varies, so follow your policy.
• Tracking systems link each set to its load, the technician and its destination. They support, but never replace, monitoring and inspection.

The sterilization process guide explains how load numbers make a recall possible.

Incident reports are completed promptly with objective facts, not blame. Report near misses too, such as a mislabeled tray caught before it left the department. They show where the process is weak before anyone is harmed.

Training records: new staff must have competency verified and documented before working alone. CRCST certification does not replace competency on the facility's own equipment.

Quality assurance

Departments track benchmarks to see how they are doing:

• Tray (set) audits: completed sets checked for missing, wrong, damaged or dirty instruments.
• Immediate-use steam sterilization (IUSS) rate: a rising rate points to inventory shortages or scheduling problems that need fixing.
• Turnaround time: how long items take to be processed and ready.
• Case cart accuracy and fill rate (the share of requested items supplied when requested).

Quality programs give a structure for improvement:

• CQI (continuous quality improvement): an ongoing, data-driven cycle of measuring and improving.
• PDCA: Plan, Do, Check, Act. Comparing results before and after a change is the Check step.
• Lean: removing waste, such as extra walking, waiting and double handling.
• Six Sigma: reducing variation and defects, using the DMAIC steps: Define, Measure, Analyze, Improve, Control.
• Root cause analysis: finding the underlying system causes of an event and fixing them, not assigning blame.

Tip from Andrew Hector Smith: When a question asks what to do about a problem, find the answer that reports it through the proper channel. The best answer also documents it. Answers where the technician quietly works around the problem, or blames someone, are almost never right.

Quick review

• Decontamination negative; clean areas positive, with humidity 60% or lower in prep and sterile storage.
• Prep 68-73 F; sterile storage 75 F or lower.
• SDS for chemical hazards and PPE; label secondary containers; flush eyes 15 minutes.
• One-way flow from dirty to clean to sterile.
• FDA devices, EPA surface disinfectants, OSHA workers, CMS payment, TJC accreditation, AAMI voluntary standards.
• Single-line corrections; retention per policy; report near misses.

Test yourself with the free departmental considerations practice questions, each with the answer explained. To see which domain to study first, take the free CRCST diagnostic test.

Sources

The Departmental Considerations questions cite these documents, by document and, where we can confirm it, chapter or section. We never reproduce them.

1. HSPA Sterile Processing Technical Manual (42 questions)
2. ANSI/AAMI ST79 (19 questions)
3. OSHA 29 CFR 1910.1200 (5 questions)
4. OSHA 29 CFR 1910.1030 (2 questions)
5. OSHA 29 CFR 1910.151 (1 question)

Found a mistake? Use "Report a problem" under any question, and Andrew Hector Smith checks it.

Questions? support@crcstready.com