Test Directory

Test Code
CRYPC
Test Name
Cryptococcal Antigen, CSF
CPT Codes
86403
Included Tests
  • Antigen Detection
  • Reflex to titer if positive
Expected Turnaround Time
1 - 3 days
Clinical Utility
Detects the presence of Cryptococcus in spinal fluid. Cryptococcus is a common etiological agent of fungal meningitis. Positive screens will be reflexed to titer. Confirmation by culture is required for positive antigen detections.
Specimen and Container Info

Specimen: Cerebrospinal Fluid

Collection Container: Sterile, Non-additive Container (CSF)

Desired Volume: 0.5 mL

Minimum Acceptable Volume: 0.25 mL

Processing and Submission Instructions
  • CSF culture should be added for all positive cultures.
  • CSF culture is not required titer trending on repeat specimens.
Stability Requirements

Room Temperature

24 hours

Refrigerated

7 days
Methodology
Latex Agglutination
Reference Intervals

 Negative

Performing Location
Roble Road Core Laboratory
Alternate Names
  • Cryptococcus Antigen Screen
  • Crypto Antigen Detection
Testing Schedule
Routine, Monday-Friday - no holidays