Ordering Recommendation

Use to detect Blastomyces antibodies in serum. Not recommended as a standalone test. For more complete serologic testing, refer to Blastomyces dermatitidis Antibodies by Immunoassay with Reflex to Immunodiffusion, Serum (3000236). For diagnosis of blastomycosis, consider testing in conjunction with histology or culture.

Mnemonic

BLASTO PPT

Methodology

Immunodiffusion

Performed

Sun-Sat

Reported

3-6 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Serum separator tube.

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum to an ARUP Standard Transport Tube. (Min: 0.15 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

Not Detected

Interpretive Data

Refer to report.

Compliance Category

FDA

Note

This immunodiffusion test detects total antibodies to the 'A' antigen of Blastomyces dermatitidis.

Hotline History

N/A

CPT Codes

86612

Components

Component Test Code* Component Chart Name LOINC
0050172 Blastomyces Antibodies by ID 5058-3
* 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

  • A antigen
  • Blastomyces dermatitidis
  • Blastomycoses
  • Precipitin
Blastomyces dermatitidis Antibodies by Immunodiffusion, Serum