Test ID SHSTO Histoplasma Antibody, Serum
Useful For
Aiding in the diagnosis of active histoplasmosis using serum specimens
Special Instructions
Method Name
Complement Fixation (CF)/Immunodiffusion
Reporting Name
Histoplasma Ab, SSpecimen Type
SerumSpecimen Required
Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Specimen Volume: 0.5 mL
Specimen Minimum Volume
See Specimen Required.
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 14 days | |
Frozen | 14 days |
Reference Values
MYCELIAL BY COMPLEMENT FIXATION (CF)
Negative (positives reported as titer)
YEAST BY CF
Negative (positives reported as titer)
ANTIBODY BY IMMUNODIFFUSION
Negative (positives reported as band present)
Day(s) and Time(s) Performed
Monday; 6 a.m.
Tuesday through Friday; 9:30 a.m.
Performing Laboratory

CPT Code Information
86698 x 3
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
SHSTO | Histoplasma Ab, S | 90227-0 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
15121 | Histoplasma Mycelial | 20573-2 |
15122 | Histoplasma Yeast | 20574-0 |
15123 | Histoplasma Immunodiffusion | 90232-0 |
Test Classification
This test has been cleared, approved or is exempt by the U.S. 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.NY State Approved
YesForms
If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.
Testing Algorithm
See Meningitis/Encephalitis Panel Algorithm in Special Instructions.