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HelpTest ID HICSF Histoplasma Antibody Complement Fixation and Immunodiffusion, Spinal Fluid
Ordering Guidance
This test should be ordered if patient is seropositive for Histoplasma antibodies in serum.
Specimen Required
Container/Tube: Sterile vial
Specimen Volume: 1 mL
Collection Instructions: Submit specimen from collection vial 1.
Useful For
Aiding in the diagnosis of Histoplasma meningitis using spinal fluid specimens
Testing Algorithm
For more information see Meningitis/Encephalitis Panel Algorithm
Method Name
Complement Fixation (CF)/Immunodiffusion (ID)
Reporting Name
Histoplasma Ab CompFix/ImmDiff, CSFSpecimen Type
CSFSpecimen Minimum Volume
0.8 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| CSF | 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
3 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 |
|---|---|---|
| HICSF | Histoplasma Ab CompFix/ImmDiff, CSF | 91684-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 621217 | Histoplasma Yeast CompFix, CSF | 27209-6 |
| 621218 | Histoplasma Immunodiffusion, CSF | 91682-5 |