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Test ID ULFA Cryptococcus Antigen Screen, Lateral Flow Assay, Random, Urine

Specimen Required

Supplies: Urine Tubes, 10 mL (T068)

Submission Container/Tube: Plastic, 10-mL urine tube

Specimen Volume: 1 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.

Useful For

Aiding in the diagnosis of infection with Cryptococcus neoformans or Cryptococcus gattii


This test should not be used as a test of cure.


This test should not be used as a screening procedure for the general population.

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
ULFAT Cryptococcus Ag Titer, LFA, U No No

Testing Algorithm

If this screen is positive, the antigen titer will be performed at an additional charge.

Method Name

Lateral Flow Assay (LFA)

Reporting Name

Cryptococcus Ag Screen, LFA, U

Specimen Type


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 14 days
  Frozen  14 days

Reference Values


Reference values apply to all ages.

Day(s) Performed

Monday through Friday

Report Available

1 to 4 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information


87899 (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ULFA Cryptococcus Ag Screen, LFA, U 16693-4


Result ID Test Result Name Result LOINC Value
604095 Cryptococcus Ag Screen, LFA, U 16693-4


If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.