Cryptococcal Antigen, Serum
Additional Codes
LAB779
Performing Laboratory
MBMC-Microbiology
Methodology
Immunochromatographic
Testing Algorithm
If screen is positive, then a Cryptococcal Titer will be performed with an additional charge.
Specimen Requirements
Specimen source is required.
Specimen Type: Serum
Container/Tube: Red top
Specimen Volume: 2 mL
Specimen Transport Temperature
Ambient/Refrigerate OK (refrigerated is preferred)
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT: 1 hour after receipt in laboratory
Routine: within 4 hours
Reference Values
Negative for cryptococcal antigen
Critical value (automatic call-back): positive for cryptococcal antigen
Test Classification and CPT Coding
87899
87899-Titer (if required)
Stability
Up to 72 hours if refrigerated or indifinitely if frozen