Ordering Recommendation

Use to detect Blastomyces antibodies in serum. For diagnosis of blastomycosis, consider testing in conjunction with histology or culture.

Mnemonic

BLST R SER

Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay/Immunodiffusion

Performed

Sun-Sat

Reported

2-6 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Serum Separator Tube.

Specimen Preparation

Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Contaminated, hemolyzed, or severely lipemic specimens.

Remarks
Stability

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)

Reference Interval

Test Number
Components
Reference Interval
  Blastomyces Antibodies EIA, SER 0.9 IV or less

Interpretive Data




Component Interpretation
Blastomyces Antibody by EIA, SER 0.9 IV or less  Negative
1.0-1.4 IV  Equivocal
1.5 IV or greater  Positive

Compliance Category

FDA

Note

This immunoassay detects total antibodies against yeast-phase antigens from Blastomyces dermatitidis.
If Blastomyces antibodies are equivocal or positive by immunoassay then Blastomyces dermatitidis Antibodies by Immunodiffusion will be added. Additional charges apply.

Hotline History

N/A

CPT Codes

86612; if reflexed, add 86612

Components

Component Test Code* Component Chart Name LOINC
3000237 Blastomyces Antibodies EIA, SER 16471-5
* 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, yeast-phase
  • Blastomycoses
Blastomyces dermatitidis Antibodies by Immunoassay with Reflex to Immunodiffusion, Serum