Blastomyces dermatitidis Antibodies by EIA with Reflex to Immunodiffusion, CSF

3000231
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Example Reports
Negative
Positive

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

2-6 days

New York DOH Approval Status

Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.

Specimen Required

Patient Preparation
Collect

CSF.

Specimen Preparation

Transfer 1 mL CSF to an ARUP Standard Transport Tube. (Min: 0.3 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
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.

Compliance Category

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

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
08/17/2020
X
05/18/2020
X
N/A

CPT Codes

86612; if reflexed, add 86612

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Components

Component Test Code* Component Chart Name LOINC
3000233 Blastomyces Antibody by EIA, CSF 13201-9
* 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

Blastomyces dermatitidis Antibodies by EIA with Reflex to Immunodiffusion, CSF