Blastomyces dermatitidis Antigen EIA, Non-Blood

Sunquest Code:BLASNB  
Epic Code:LAB6854Epic Name:Blastomyces AGN Quant EIA Non-Blood
Methodology:Enzyme immunoassay
CPT Code:87449
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 1-3 days.
Special Instructions:To assess the course of antigen clearance in patients with positive results or with known blastomycosis, obtain follow-up specimens at least 14 days after the last prior specimen.
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Urine Collection Procedure

Collection Instructions

Specimen:Urine, bronchial fluid, CSF or other sterile body fluids
Optimal Volume:1 mL CSF, urine, bronchial fluid or other sterile body fluids
Minimum\Peds Volume:0.8 mL CSF, 0.5 mL urine, bronchial fluid or other sterile fluids
Container:Plastic leakproof container, sterile (Sterile tube, Plastic leakproof container, sterile)

Processing and Shipping

Specimen Processing:Do not send in the original co ntainer. Aliquot 1 mL, 0.5 mL minimum (0.8 mL CSF) into a standard transport tube. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (MiraVista Diagnostics)
Referral Lab number:316


Limitations:Heterophile antibodies and rheumatoid factor can cause positive interference. Cross reactions due to closely related antigenic epitopes are seen in patients with histoplasmosis, paracoccidiodomycosis, and pencilliosis. Rare cross reactions have been seen in patients with aspergillosis and cryptococcosis.
Use:To aid in the diagnosis of disseminated or acute pulmonary blastomycosis.

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