Test 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
Method Name
Complement Fixation (CF)/Immunodiffusion (ID)
Reporting Name
Histoplasma Ab CompFix/ImmDiff, CSFSpecimen Minimum Volume
0.8 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | 
|---|---|---|
| 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 daysPerforming Laboratory
 Mayo Clinic Laboratories in Rochester
CPT Code Information
86698 x2