Histoplasma Antigen
Label Mnemonic: HSCSF
Epic Lab Code: LAB7448
Downtime Form: A-1a Miscellaneous Request
Commercial Mail-out Laboratory
5231 RCP
356-8593
Specimen(s):
CSF
Collection Medium:
Miscellaneous container; contact laboratory
Minimum:
2 mL CSF
Rejection Criteria:
Interfering substance: sputolysin and sodium hydroxide.
Turn Around Time:
1 week upon receipt at reference laboratory
Reference Range:
None Detected

Positive Below the Limit of Quantification: Results above the cutoff for positivity, but below 0.4 ng/mL fall outside the linear range of the assay. These results are positive, but not accurately quantifiable.

Positive: 0.4-19.0 ng/mL

Positive Above the Limit of Quantification: Results greater than 19.0 ng/mL fall outside the linear range of the assay. These results are positive, but not accurately quantifiable.
Interpretive Data:
Cross-Reactions
Occur in blastomycosis, paracoccidioidomycosis and penicilliosis, less frequently in coccioidiomycosis, rarely in aspergillosis and possibly sporotrichosis.
Comments:
Please print, complete, and submit the MiraVista Diagnostics Medical Test Requisition with the specimen and A-1a Miscellaneous Request or Epic Req.

Guidelines for Use
As an aid in rapid diagnosis of histoplasmosis. Monitoring the histoplasmosis helps determine when treatment can be stopped and to diagnose relapse.
Methodology:
Sandwich Enzyme Immunoassay (EIA) using polyclonal antibodies to Histoplasma capsulatum
CPT Code:
87385