Blastomyces Antigen | Cleveland Clinic Laboratories

Blastomyces Antigen Print

Test Mnemonic

BLAS

CPT Codes

87449 - QTY (1)

Performing Laboratory

Quest Diagnostics (Chantilly)

Specimen Requirements

Volume	Type	Container	Collect Temperature	Transport Temperature	Special Instructions
2 mL	Serum	SST (Gold)		Ambient	Centrifuge and transfer serum to standard plastic aliquot tube. Indicate source. List all antifungal agents patient is receiving.

Alternate Specimen Requirements

Volume	Type	Container	Transport Temperature	Special Instructions
2 mL	Serum	No additive (Red)	Ambient	Centrifuge and transfer serum to standard plastic aliquot tube. Indicate source. List all antifungal agents patient is receiving.
2 mL	Cerebrospinal fluid (CSF)	Sterile container	Ambient	Use a sterile, leak-proof container. Indicate source. List all antifungal agents patient is receiving.
2 mL	Bronch (BAL)	Sterile container	Ambient	Use a sterile, leak-proof container. Indicate source. List all antifungal agents patient is receiving.
2 mL	Plasma	EDTA (Lavender)	Ambient	Centrifuge and transfer plasma to standard plastic aliquot tube. Indicate source. List all antifungal agents patient is receiving.
2 mL	Plasma	Sodium heparin (Green)	Ambient	Centrifuge and transfer plasma to standard plastic aliquot tube. Indicate source. List all antifungal agents patient is receiving.
2 mL	Plasma	Sodium citrate (Lt. Blue)	Ambient	Centrifuge and transfer plasma to standard plastic aliquot tube. Indicate source. List all antifungal agents patient is receiving.
2 mL	Fluid, body	Sterile container	Ambient	Use a sterile, leak-proof container. Indicate source. List all antifungal agents patient is receiving.

Minimum Specimen Requirements

Volume	Type	Container	Collect Temperature	Transport Temperature	Special Instructions
Other					Serum/plasma: 1.2 mL; BAL/body fluid: 0.5 mL; CSF: 0.8 mL

Stability

Environmental Condition	Description
Refrigerated	14 days
Ambient	14 days
Frozen	Indefinitely

Days Performed

Mon - Fri

Turnaround Time

2 - 3 days

Methodology

Name	Description
Enzyme Immunoassay (EIA)

Reference Range

Special Info

Source must be indicated. List all antifungal agents patient is receiving. Separate orders are required for each specimen. Rejection criteria: Specimen that is too viscous to pipette; Tissue, biopsy, sputum, bronchial brush, tracheal aspirate, FNA, bone marrow aspirate, stool or samples in transport media, fixative or Isolator tubes

Clinical Info

Cautions: Sodium hydroxide and sputolysin. Cross-reactivity occurs between blastomycosis and histoplasmosis and in paracoccidioidomycosis, penicillosis, coccidioidomycosis, aspergillosis, and sporotrichosis.