Sign in →

Test ID HSTQU Histoplasma Antigen, Quantitative Enzyme Immunoassay, Random, Urine

Specimen Required

Supplies: Sarstedt 5 mL Aliquot Tube (T914)

Container/Tube: Plastic vial

Specimen Volume: 4 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.

3. Do not centrifuge to remove particulates.

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, Quant EIA, U

Specimen Type


Specimen Minimum Volume

2.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 14 days
  Frozen  31 days
  Ambient  72 hours

Reference Values


Not Detected



Not Detected

Detected: <0.2 ng/mL

Detected: 0.2-25.0 ng/mL

Detected: >25.0 ng/mL

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 to 3 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


LOINC Code Information

Test ID Test Order Name Order LOINC Value
HSTQU Histoplasma Ag, Quant EIA, U 48952-6


Result ID Test Result Name Result LOINC Value
HISTF Histoplasma Ag Result 44524-7
DEXUH Histoplasma Ag Value 48952-6


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