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HelpTest Code 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
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 |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
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 daysSpecimen Retention Time
14 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
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 |