Home
HelpTest Code CRYPTO CSF CSF Cryptococcal Antigen
Clinical System Name
CSF Cryptococcal Antigen
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 |
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
Synonyms
Cryptococcus
Crytpococcal antigen, CSF
Cryptococcus antigen
Fungal Direct Exam
Yeast Direct Exam
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.
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) |
CPT Codes
86403
Send Out Instructions
| Reference Test Name: |
Cryptococcal Antigen Screen, CSF |
| Reference Test Number: |
CCAFS |
| Instructions: |
Send out Monday - Friday with the UW courier. |