Blastomyces dermatitidis Antibodies by Immunodiffusion
0050172
Ordering Recommendation
 
Mnemonic
BLASTO PPT
Methodology
Qualitative Immunodiffusion
Performed
Sun-Fri
Reported
2-4 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Serum separator tube.  
Specimen Preparation
Separate serum from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum to an ARUP Standard Transport Tube. (Min: 0.1 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Body fluids.  
Remarks
  
Stability
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)  
Reference Interval
None detected.  
Interpretive Data
A positive result may suggest active or recent infection. The test is positive in about 80% of cases. Cross-reactions occur, especially with histoplasmosis. A negative test (none detected) does not exclude blastomycosis.  
Note
This test uses a partially purified "A" antigen of Blastomyces dermatitidis.
CPT Code(s)
86612
Components
Component Test Code*Component Chart Name
0050172Blastomyces dermatitidis Abs, Precipitin
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Aliases
  • Blastomyces Antibody by Immunodiffusion, Serum
  • Blastomyces Precipitin
  • Blastomycosis
  • Immunodiffusion Serology for Fungi