Days Set Up
Analytic Time

1 - 8 hours

MiChart Code
Cryptococcal Antigen, CSF
Soft Order Code

Test Updated:


India Ink Replacement Assay
Cryptococcus Antigen Titer

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

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.

Specimen Requirements

Collection Offsite

Collect specimen in a clean tube or container. Refrigerate and send within 24 hours of collection. Titer will be run on specimens giving a positive screen.

Normal Volume
1 mL CSF
Minimum Volume
0.5 mL CSF

Billing Information

CPT Code
Pro Fee Code
46964-3 CRAGC, 43229-4 CRAGT

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.