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HelpTest 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, USpecimen Type
UrineSpecimen 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
HISTOPLASMA ANTIGEN RESULT
Negative
HISTOPLASMA ANTIGEN VALUE
Negative: 0.00-0.10
Indeterminate: 0.11-1.10
Positive: ≥1.11
Day(s) and Time(s) Performed
Monday through Sunday; 9 a.m.
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.
NY State Approved
YesForms
If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.