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Blastomyces dermatitidis Antibodies by EIA with Reflex to Immunodiffusion, CSF
3000231
Ordering Recommendation

Recommended test if serology is used to aid in the diagnosis of cerebral blastomycosis.

Mnemonic
BLST R CSF
Methodology
Semi-Quantitative Enzyme-Linked Immunosorbent Assay/Qualitative Immunodiffusion
Performed
Sun-Sat
Reported
2-5 days
New York DOH Approval Status
Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
CSF. 
Specimen Preparation
Transfer 1 mL CSF to an ARUP Standard Transport Tube. (Min: 0.15 mL) 
Storage/Transport Temperature
Refrigerated. 
Unacceptable Conditions
Other body fluids. Contaminated, hemolyzed, xanthochromic, or severely lipemic specimens. 
Remarks
 
Stability
Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles) 
Reference Interval
Test Number
Components
Reference Interval
3000230Fungal Antibodies with Reflex to Blastomyces dermatitidis Antibodies by Immunodiffusion, CSF0.9 IV or less: Negative
1.0-1.4 IV: Equivocal
1.5 IV or greater: Positive
Blastomyces Ab by Immunodiffusion, CSFNone Detected

Interpretive Data
Refer to Report

Compliance Statement B: For laboratory developed tests not using a RUO kit, and for FDA approved, cleared or 510(k) exempt assays with alterations. This test was developed and its performance characteristics determined by ARUP Laboratories. The U. S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.

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
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CPT Code(s)
Components
Component Test Code*Component Chart NameLOINC
3000233Blastomyces Antibody by EIA, CSF13201-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases