Test Overview
Test Methodology

Lateral flow EIA

Test Usage

Establish presence of cryptococcal antigen

Reference Range *

Screen: Negative, Titer: No titer

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

A single negative result does not rule out the possibility of cryptococcal infection.

Test Details
Days Set Up
Daily
Analytic Time

24 hours

Soft Order Code
CRAGS
MiChart Code
Cryptococcal Antigen, Blood
Synonyms
  • CRAGS
  • CRYPTOCOCCUS ANTIGEN, SERUM
  • CRAGT
  • Cryptococcus Antigen Titer
  • India Ink Replacement Assay
Laboratory
Microbiology
Section
Microbiology
Specimen Requirements
Collection Instructions

Collect specimen in SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate within 24 hours of collection. Titer will be run on specimens giving a positive screen.

Yellow Top Tube
Normal Volume
1 mL serum
Minimum Volume
0.5 mL serum
Additional Information

If the Cryptococcus screen is positive, a titer will be performed at an additional charge. By ordering this test the clinician acknowledges that additional reflex testing will be performed and billed at a separate additional charge if indicated.

Billing
CPT Code
87327
Fee Code
LA011
Reflex CPT
87327
Reflex Fee Code
20220
LOINC
30324-8 CRAGS, 43229-4 CRAGT
Resources