Home
HelpTest Code UHBAG Histoplasma and Blastomyces Antigen, Enzyme Immunoassay, Urine
Additional Codes
| Epic Ordering Code | LAB3040564 |
| NBS code | LBC06355 |
| Service code | 36911 |
Reporting Name
Histoplasma/Blastomyces Ag, EIA, USpecimen Type
UrineSpecimen Required
Supplies: Sarstedt Aliquot tube, 5 mL (T914)
Container/Tube: Plastic vial
Specimen Volume: 3 mL
Collection Instructions:
1. Collect a random urine specimen, with no preservative.
2. Do not centrifuge to remove particulates.
NUH Outreach Laboratories:
Specimen Requirements
Submit the following:
Container: Random urine specimen with no preservatives
Processing Requirements
Do not centrifuge. Aliquot urine into a Mayo plastic tube.
Specimen type: Urine
Volume: 3 mL
Storage/transport requirements: Refrigerated
Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
Specimen Minimum Volume
2.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 14 days |
| Frozen | 28 days | |
| Ambient | 7 days |
Reject Due To
| Gross hemolysis | Reject |
| Turbid Colored |
Reject |
Method Name
Enzyme Immunoassay (EIA)
Day(s) Performed
Monday through Sunday
Report Available
Same day/1 to 4 daysPlease note that this is a referral test requiring transport to the external testing facility and an additional 3-5 days is required.
Reference Values
Histoplasma/Blastomyces Antigen Result:
Not detected
Histoplasma/Blastomyces Antigen Value:
Not detected: 0.0 ng/mL
Detected: <1.3 ng/mL
Detected: 1.3-20.0 ng/mL
Detected: >20.0 ng/mL
Reference values apply to all ages.
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Useful For
Diagnosing Histoplasma capsulatum or Blastomyces dermatitidis infection, without differentiation between the organisms, using random urine specimens
Monitor antigen levels following initiation of antifungal treatment
CPT Code Information
87449
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| UHBAG | Histoplasma/Blastomyces Ag, EIA, U | 105123-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| UHBAR | Histoplasma/Blastomyces Ag Result | 104871-9 |
| DEXBH | Histoplasma/Blastomyces Ag Value | 104872-7 |
Secondary ID
621248Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.Last updated 28/07/2026