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HelpTest ID HISER Histoplasma Antibody Complement Fixation and Immunodiffusion, Serum
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1.1 mL
Collection Instructions: Centrifuge and aliquot serum into plastic vial.
Useful For
Aiding in the diagnosis of active histoplasmosis
Testing Algorithm
For more information see Meningitis/Encephalitis Panel Algorithm.
Special Instructions
Method Name
Complement Fixation (CF)/Immunodiffusion (ID)
Reporting Name
Histoplasma Ab CompFix/ImmDiff, SSpecimen Type
SerumSpecimen Minimum Volume
See Specimen Required
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 14 days | |
| Frozen | 14 days |
Reference Values
Anti-Yeast Antibody by Complement Fixation:
Negative (positive results reported as titer)
Antibody by Immunodiffusion:
Negative (positive results reported as band present)
Day(s) Performed
Monday through Friday
Report Available
2 to 7 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
86698 x2
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| HISER | Histoplasma Ab CompFix/ImmDiff, S | 90227-0 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 621214 | Histoplasma Yeast CompFix, S | 20574-0 |
| 621215 | Histoplasma Immunodiffusion, S | 90232-0 |