ARUP's Laboratory Test Directory

0050172: Blastomyces Antibody by ID

Test Mnemonic: BLASTO PPT
Methodology: Immunodiffusion

Performed: Sun-Fri

Reported: 2-4 days

Specimen Required:  
Collect: One 4 mL SST.

Transport: 0.5 mL serum at 2-8°C. (Min: 0.25 mL)  Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport: 0.1 mL serum at 2-8°C.

Remarks: Separate serum from cells ASAP.

Unacceptable Conditions: Body fluids.

Stability: After separation from cells: Ambient: 2 days; 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

 

 

 
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