Aspergillus Antigen, EIA, Serum

Message

Performed at QNI
Test code 14950

Test Code

ASPAG

Quest Code

14950

Alias/See Also

ASPAG
14950

CPT Codes
87305

Preferred Specimen

2 mL serum

Minimum Volume

1 mL

Instructions

Serum should be collected in a plastic SST tube and spun to separate from the clot. Care is required to avoid contamination of specimens with mold during collection, processing, and shipment.

Note: This assay has not been evaluated for use with plasma, urine, or CSF. For Bronchoalveolar lavage/wash, please use test code 90376-Aspergillus Antigen, EIA, BAL.

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: Unacceptable
Refrigerated: 5 days
Frozen -70° C: 5 months

Methodology
Immunoassay (IA)

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Set up: Mon-Sat; Report available: 1-4 days

Report Available

1-5 Days

Reference Range

Index Value	<0.50
Aspergillus Ag, EIA, Serum	Not Detected

Result Interpretation

Index <0.50	is considered to be negative
Index ≥0.50	is considered to be positive

Clinical Significance

The Aspergillus EIA is used for the detection of galactomannan antigen in serum. The Aspergillus EIA is an aid in the early diagnosis of invasive aspergillosis. This assay is to be used and test results interpreted in conjunction with other conventional diagnostic procedures such as microbiological culture, histologic examination of biopsy samples and other signs and symptoms for detection of Aspergillus infection.

Performing Laboratory

Quest Diagnostics Nichols Institute

33608 Ortega Highway

San Juan Capistrano, CA 92675-2042

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.