Decontamination Processes
12%of exam
Instrumentation Identification
32%of exam
Inspection Testing Assembly
20%of exam
Preparation Packaging
10%of exam
Disinfection Sterilization
6%of exam
SteamLow TempHLDFailuresLoad Recall
Quality Information Systems
20%of exam
Quick Facts
- Exam
- CIS
- Credential
- Certified Instrument Specialist
- Owner
- HSPA
- Questions
- 150 MCQ
- Scored
- 125 scored
- Pretest
- 25 unscored
- Time
- 3 hours
- Fee
- $140
- Prerequisite
- Current CRCST
- Experience
- 200 hours
- Window
- 120 days
- Renewal
- Annual
Cleaning vs Sterilization
Cleaning
- Removes soil
- Must happen first
Sterilization
- Kills microbes
- Requires clean device
Soil blocks kill
Decon QA
- POU care
- Prevents drying
- Prioritization
- Case-driven flow
- Cleaning verification
- Soil evidence
- Process challenge
- Washer check
- ATP test
- Organic residue
- Visual inspection
- Gross soil check
- Documentation
- QA evidence
- Gap analysis
- Missed controls
Cleaning Toolbox
- Utility water
- Initial cleaning
- Critical water
- Final rinse
- Detergent
- IFU compatible
- Adhesive remover
- Residue control
- Brush size
- Contacts lumen
- Ultrasonic
- Cavitation cleaning
- Washer
- Mechanical cleaning
- PPE
- Exposure barrier
Specialty Risks
- Ophthalmic
- TASS risk
- Orthopedic
- Cement residue
- Robotic
- Complex lumens
- Powered
- Do not submerge
- Flexible scope
- Leak test first
- Prion
- Special protocol
- Chemo
- Residue hazard
- Ebola
- Enhanced isolation
CIS Weights
12, 32, 20, 10, 6, 20.
Decon 12ID 32Inspect 20Quality 20
Single-use vs Reposable
Single-use
- Discard after use
- No reprocessing
Reposable
- Reusable base
- Track use count
Discard vs track
Instrument Picker
- Gold handles→Tungsten carbide(TC insert)
- Blue-purple metal→Titanium(Lightweight)
- Use counter→Reposable(Track cycles)
- Bone punch→Kerrison(Neuro spine)
- Lens surgery→Ophthalmic set(TASS risk)
- Robotic wrist→EndoWrist(Limited use)
Blueprint Map
- Identification
- Largest domain32%
- Inspection
- Function proof20%
- Quality
- Systems control20%
- Decontam
- Cleaning controls12%
- Packaging
- Sterile barrier10%
- Sterilization
- Failure response6%
Specialty Risk Pairs
Ortho cement; eyes TASS; robots counts.
Ortho: cementEyes: TASSRobots: countsPowered: dry
Instrument Types
- Reusable
- Reprocess each use
- Single-use
- Discard after use
- Reposable
- Limited-use component
- Surgical grade
- Validated patient use
- Floor grade
- Non-surgical quality
- Limited-use
- Track use count
- Implant
- Patient retained
- Accessory
- Supports instrument
Materials Finishes
- Stainless
- Common reusable metal
- Titanium
- Light nonmagnetic
- Aluminum
- Alkaline sensitive
- Tungsten carbide
- Gold handles
- Nickel
- Allergy concern
- Satin finish
- Glare reduction
- Mirror finish
- Smooth surface
- Passivation
- Corrosion protection
Specialty ID
- Kerrison
- Neuro spine punch
- Pituitary
- Disc tissue rongeur
- Penfield
- Neuro dissector
- Hohmann
- Ortho retractor
- Osteotome
- Bone cutting
- Utrata
- Ophthalmic forceps
- Frazier
- ENT suction
- EndoWrist
- Robotic reposable
- DeBakey
- Vascular forceps
- Heaney
- GYN clamp
Implants Tracking
- UDI
- Device identifier
- Lot number
- Recall link
- BI quarantine
- Implant safety
- Patient record
- Implant traceability
- Orthopedic screws
- Size orientation
- Aneurysm clips
- Neuro implant
- Breast sizer
- Reposable tracking
- Loaner implant
- Vendor trace
Marking Methods
- Laser mark
- Durable identifier
- Chemical etch
- Surface mark
- Instrument tape
- Adhesive risk
- Color dip
- Handle coding
- Bar code
- Scan tracking
- RFID
- Electronic trace
- Engraving
- Surface disruption
- Paint
- Not acceptable
Workflow Order
Clean, inspect, assemble, package, sterilize.
CleanInspectAssemblePackageSterilize
Inspection vs Assembly
Inspection
- Clean function check
- Defects found
Assembly
- Set completion
- Count sheet match
Verify before build
Workflow Picker
- Case ends→POU care(Prevent drying)
- Enters decon→Clean first(Remove soil)
- Lumen present→Borescope(Internal view)
- Cleaning verified→Inspect(Prep area)
- Function passes→Assemble(Count sheet)
- Tray complete→Package(Barrier)
- Sterile needed→Sterilize(IFU cycle)
- Failure occurs→Recall(Quarantine)
Inspection Tools
- Magnifier
- Surface inspection
- Borescope
- Internal lumen view
- Insulation tester
- Coating defects
- Continuity tester
- Cord function
- Lighted table
- Fine defects
- Ruler
- Size check
- Count sheet
- Assembly map
- IFU
- Primary authority
Test Materials
Card cuts; dowel aligns; leather edges.
Card: scissorsDowel: jawsLeather: osteotomesTester: insulation
Defect Picker
- Visible soil→Reclean(No assembly)
- Insulation breach→Remove service(Electrical risk)
- Dull scissors→Sharpen route(Test failed)
- Cracked jaw→Repair tag(Patient risk)
- Missing instrument→Document variance(Count issue)
- Wet pack→Do not release(Sterility risk)
Functional Tests
- Index card
- Scissor sharpness
- Rubber test
- Fine scissors
- Dowel rod
- Jaw alignment
- Leather strip
- Osteotome edge
- Ratchet test
- Lock security
- Box lock
- Smooth movement
- Tip alignment
- Forceps closure
- Lubrication
- Hinge function
Defects Repair
- Rust
- Corrosion evidence
- Pitting
- Surface breakdown
- Crack
- Remove service
- Burr
- Tissue damage
- Loose screw
- Repair route
- Dull edge
- Sharpen replace
- Insulation breach
- Electrical hazard
- Stain
- Investigate source
Assembly Controls
- Count sheet
- Tray standard
- Set build
- Procedure ready
- Stringer
- Rings open
- Tip protector
- Point guard
- Disassembly
- IFU driven
- Open jaws
- Sterilant access
- Missing item
- Document substitute
- Heavy item
- Bottom placement
Wrap vs Container
Wrap
- Disposable barrier
- Tear sensitive
Container
- Reusable barrier
- Filter gasket checks
Barrier must match IFU
Packaging Systems
- Wrap
- Flexible barrier
- Peel pouch
- Single instrument
- Rigid container
- Reusable barrier
- Tyvek
- Low-temp material
- Heat sealer
- Pouch closure
- Filter
- Container barrier
- Gasket
- Container seal
- Weight limit
- IFU constraint
BI vs CI
BI
- Living spores
- Lethality evidence
CI
- Chemical exposure
- Parameter indicator
Biology vs chemistry
Sterilization Controls
- Steam
- Heat stable
- EtO
- Aeration required
- H2O2
- Low-temp option
- HLD
- Semi-critical minimum
- MEC
- Solution strength
- BI
- Biological evidence
- CI
- Chemical exposure
- Wet pack
- Sterility concern
IUSS vs Routine
IUSS
- Urgent need
- Immediate use
Routine
- Full cycle
- Stored sterile
Not convenience
Quality Tools
Audit, RCA, FMEA, KPI.
Audit: checkRCA: causeFMEA: preventKPI: trend
Utility vs Critical Water
Utility
- Cleaning stage
- Initial rinse
Critical
- Final rinse
- Low endotoxin
Stage drives quality
Quality Picker
- Repeated defect→RCA(Cause search)
- Future risk→FMEA(Prevent failure)
- Metric trend→KPI(Performance)
- Loaner arrives→Full reprocess(Verify IFU)
- Water stains→Water log(Check hardness)
- OR conflict→Huddle(Collaborate)
Eligibility Hours
- CRCST
- Must be current
- Total hours
- 200 additional
- Decontam
- 56 hours
- Assembly
- 55 hours
- Sterile process
- 28 hours
- Storage
- 20 hours
- Quality
- 33 hours
- OR observation
- 8 hours
RCA vs FMEA
RCA
- After event
- Find root cause
FMEA
- Before event
- Predict failure
Past vs future
Quality Systems
- Competency
- Observed skill
- CE
- Annual learning
- Policy
- Local rule
- SDS
- Chemical safety
- KPI
- Performance measure
- Audit
- Process check
- RCA
- Find cause
- FMEA
- Predict failure
Tracking Loaners
- Loaner receipt
- Arrival evidence
- Vendor IFU
- Processing authority
- Case need
- Schedule link
- Tray map
- Count sheet
- Use history
- Cycle trace
- Recall
- Affected devices
- Database
- Electronic record
- UDI scan
- Device trace
Water Quality
- Utility water
- Cleaning stage
- Critical water
- Final rinse
- Steam
- Sterilizer input
- Hardness
- Mineral staining
- Conductivity
- Dissolved ions
- Endotoxin
- Ophthalmic risk
- pH
- Compatibility factor
- Trend log
- Quality evidence
Common Traps
Underweighting Instrument ID
ID is 32% ≠ Largest score driver
Overlapping Experience Hours
CRCST hours separate ≠ CIS hours additional
Sterilizing Dirty Instruments
Soil remains ≠ Kill step weakened
Ignoring Use Counts
Reposable limit missed ≠ Retirement delayed
Using Wrong Water
Utility for cleaning ≠ Critical final rinse
Releasing Wet Packs
Moisture present ≠ Sterility questioned
Treating Loaners As Ready
Vendor claim assumed ≠ Facility reprocess skipped
Calling HLD Sterile
HLD has limits ≠ Sterilization kills spores
Last Minute
- 1.Order: 12-32-20-10-6-20
- 2.Instrumentation ID is largest
- 3.Current CRCST is required
- 4.CIS needs 200 additional hours
- 5.Clean before any kill step
- 6.IFU outranks habit
- 7.Gold handles = tungsten carbide
- 8.Titanium = light, nonmagnetic
- 9.Index card tests scissors
- 10.Borescope checks hidden lumens
- 11.Critical water for final rinse
- 12.Loaners need full reprocessing
- 13.Wet packs are not released
- 14.RCA after; FMEA before
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