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Test ID UHIST Histoplasma Antigen, Random, Urine

Useful For

Aiding in the diagnosis of Histoplasma capsulatum infection


Monitoring Histoplasma antigen levels in urine

Method Name

Enzyme Immunoassay (EIA)

Reporting Name

Histoplasma Ag, U

Specimen Type


Specimen Required

Supplies: Aliquot tube, 5-mL (T465)

Container/Tube: Plastic, 5-mL aliquot tube

Specimen Volume: 3 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.

3. Do not centrifuge to remove particulate matter.

Specimen Minimum Volume

2.5 mL

Specimen Stability Information

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

Reference Values





Negative: 0.00-0.10

Indeterminate: 0.11-1.10

Positive: ≥1.11

Day(s) Performed

Monday through Sunday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

87385-x 2 (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
UHIST Histoplasma Ag, U 44524-7


Result ID Test Result Name Result LOINC Value
HISTQ Histoplasma Ag Result 44524-7
DEXHU Histoplasma Ag Value 48952-6

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
FMVHU MVista Histoplasma Ag, U No No

Testing Algorithm

If antigen test is indeterminate, the specimen will be sent to MiraVista Laboratories and Histoplasma antigen will be performed at an additional charge.

Report Available

Same day/1 to 2 days

NY State Approved



If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.