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HelpTest ID HIBAG Histoplasma and Blastomyces Antigen, Enzyme Immunoassay, Serum
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Useful For
Diagnosing Histoplasma capsulatum or Blastomyces dermatitidis infection without differentiation between the organisms
Monitor antigen levels following initiation of antifungal treatment
Method Name
Enzyme Immunoassay (EIA)
Reporting Name
Histoplasma/Blastomyces Ag, EIA, SSpecimen Type
SerumSpecimen Minimum Volume
1.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 28 days | |
| Frozen | 28 days | ||
| Ambient | 72 hours |
Reference Values
Histoplasma/Blastomyces Antigen Result:
Not Detected
Histoplasma/Blastomyces Antigen Value:
Not Detected
Detected: <1.5 ng/mL
Detected: 1.5-25.0 ng/mL
Detected: >25.0 ng/mL
Reference values apply to all ages.
Day(s) Performed
Monday through Saturday
Report Available
Same day/1 to 3 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test 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.CPT Code Information
87449
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| HIBAG | Histoplasma/Blastomyces Ag, EIA, S | 101587-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 619492 | Histoplasma/Blastomyces Ag Result | 101588-2 |
| 619493 | Histoplasma/Blastomyces Ag Value | 101589-0 |