Ordering Recommendation
Recommended test if serology is used to aid in the diagnosis of cerebral blastomycosis.
Mnemonic
Methodology
Semi-Quantitative Enzyme-Linked Immunosorbent Assay/Qualitative Immunodiffusion
Performed
Sun-Sat
Reported
2-6 days
New York DOH Approval Status
Specimen Required
CSF.
Transfer 1 mL CSF to an ARUP Standard Transport Tube. (Min: 0.3 mL)
Refrigerated.
Other body fluids. Contaminated, hemolyzed, xanthochromic, or severely lipemic specimens.
Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Reference Interval
Test Number |
Components |
Reference Interval |
---|---|---|
3000230 | Fungal Antibodies with Reflex to Blastomyces dermatitidis Antibodies by Immunodiffusion, CSF | 0.9 IV or less: Negative 1.0-1.4 IV: Equivocal 1.5 IV or greater: Positive |
Blastomyces Ab by Immunodiffusion, CSF | None Detected |
Interpretive Data
Refer to Report
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
Note
Negative fungal serology does not rule out the possibility of current infection. If Blastomyces antibodies are equivocal or positive by EIA then Blastomyces Immunodiffusion will be added. Additional charges apply.
Hotline History
Hotline History
CPT Codes
86612; if reflexed, add 86612
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
3000233 | Blastomyces Antibody by EIA, CSF | 13201-9 |