Cryptococcal Antigen Screen, CSF

General Information

Lab Name

Cryptococcal Antigen, CSF

Lab Code

CCAFS

Epic Name

Cryptococcal Antigen, CSF

Description

STAT requests require approval from Lab Med Resident or Lab Director. HMC: STAT requests performed daily until 3:30pm. After 3:30pm, HMC STAT request is performed by UW-MT. If test is positive, a quantitative titer is run for an additional fee (CCAFSQ)

UW-MT: screening test run from 07:00 to 23:00. Tests received after 23:00 will wait until the next morning. For positive tests, quantititive titer is run on dayshift only 8:00-14:00.

Synonyms

Cryptococcus Antigen, Fungal Direct Exam, Yeast Direct Exam

Interpretation

Reference Range

Female Male
AgeRangeAgeRange
0-Negative [NRN] 0-Negative [NRN]

Effective date: 04/01/2010

Ordering & Collection

Specimen Type

CSF, Cerebrospinal Fluid

Collection

SPINAL FLUID

Handling Instructions

Send CSF to lab @ room temperature within 2 hours of collection; refrigerate if delayed.
Note: other CSF tests may require immediate transport.

Quantity

requested: 1.0 mL CSF supernate
minimum: 0.5 mL CSF supernate

Processing

Test should be performed on supernate CSF (after centrifugation). This test is more sensitive than an India Ink preparation.

Performance

LIS Dept Code

Serology (SR)

Performing Location(s)

HMC Microbiology
206-744-5858

325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420

UW-MT Serology
206-520-4600

Clinical Lab, Room # NW177,
University of Washington Medical Center,
1959 NE Pacific street, Seattle, WA 98195

Frequency

HMC: Monday-Friday dayshift Weekend/Holiday: 8am-2pm. UW-MT: Everyday 7:00 to 23:00

Available STAT?

with approval

Billing & Coding

CPT codes

87899

LOINC

46964-3

Interfaced Order Code

UOW370

Interfaced Result Code

UOW370