Test ID SHSTO Histoplasma Antibody, Serum
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into plastic vial.
Forms
If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.
Useful For
Aiding in the diagnosis of active histoplasmosis using serum specimens
Testing Algorithm
For information see Meningitis/Encephalitis Panel Algorithm.
Special Instructions
Method Name
Complement Fixation (CF)/Immunodiffusion (ID)
Reporting Name
Histoplasma Ab, SSpecimen Type
SerumSpecimen Minimum Volume
See Specimen Required
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
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) Performed
Monday through Friday
Report Available
2 to 7 daysPerforming Laboratory

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 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 |