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HelpTest Code CRYPTO CSF CSF Cryptococcal Antigen
Clinical System Name
CSF Cryptococcal Antigen
Synonyms
Cryptococcus
Crytpococcal antigen, CSF
Cryptococcus antigen
Fungal Direct Exam
Yeast Direct Exam
Sample Requirements
Specimen: Cerebral Spinal Fluid
Container(s): CSF Tube
Preferred Vol: 1.0 mL
Minimum Vol: 0.5 mL
Note: Titer will be done if positive at an additional charge.
Processing Instructions
Reject due to:
Spin: Y
Aliquot: Y
Temp: 2 - 8 C
Storage location: Spin sample, transfer 1.0 mL CSF supernate to a plastic tube affixed with a large Cerner label. Store specimen in the CPA refrigerator, Send Outs rack.
Off-site collection: Send CSF to lab @ room
temperature within 1 hour of collection; refrigerate if
delayed.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Room temp |
1 h |
|
| Refrigerated | 7 d | |
| Frozen |
7 d |
Availability
| STAT | Performed | TAT |
|---|---|---|
| Y; with approval |
Collected daily; set up at UW Lab M - F, weekends 8 am - 2 pm |
2 - 5 d |
Requests for STAT testing require approval of the UW Lab Med Resident or Lab Director.
Performing Laboratory
University of Washington
Dept of Laboratory Medicine
UW Serology and Harborview (HMC) Microbiology
1959 NE Pacific St, NW220
Seattle, WA 98195
Phone Number: (206) 520-4600
Department
Department: Send Outs
Phone Number: (206) 987-2563
CPT Codes
86403
Methodology
Method: None specified
Analytical Volume: 0.5 mL CSF Supernate
Limitations:
Reference Range
| Female | Male | ||
| Age | Range | Age | Range |
| 0- | Negative (NRN) | 0- | Negative (NRN) |
Send Out Instructions
| Reference Test Name: |
Cryptococcal Antigen Screen, CSF |
| Reference Test Number: |
CCAFS |
| Instructions: |
Send out Monday - Friday with the UW courier. |