Test ID HIBAG Histoplasma and Blastomyces Antigen, Enzyme Immunoassay, Serum
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
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.
Secondary ID
618715Useful For
Diagnosing Histoplasma capsulatum or Blastomyces dermatitidis infection, without differentiation between the organisms, using serum specimens
Monitor antigen levels following initiation of antifungal treatment
Specimen Type
SerumSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 28 days |
| Frozen | 28 days | |
| Ambient | 72 hours |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
| Heat-inactivated specimen | Reject |
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 4 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
87449
Forms
If not ordering electronically, complete, print, and send a Kidney Transplant Test Request with the specimen.