Adenovirus Antigen Detection, Gastroenteritis, EIA

Test Code
38945

CPT Codes
87301

Preferred Specimen
5 mL or 5 grams stool or rectal swab with visible stool, submitted in a sterile plastic, leak-proof container without medium, preservative, or metal ions

Minimum Volume
1 mL or 1 gram (pea-sized portion of stool)

Other Acceptable Specimens
Rectal swab

Instructions
Collect fresh stool in sterile, leak-proof container without media, preservative or metal ion. For patients requiring the use of diapers, first line the diaper with clean plastic to prevent absorption. Then transfer 2 grams or 2 mL of the stool specimen from the plastic lined diaper to the sterile container. Do not submit the diaper itself. Cap securely. Do not use M4 transport media. Do not use any preservative, media or additive.

Transport Temperature
Frozen

Specimen Stability
Room temperature: Unacceptable
Refrigerated: 72 hours
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimens other than stool • Insufficient material on swab • Stool in preservative or transport media • Diapers • Received room temperature

Methodology
Enzyme Immunoassay (EIA)

Setup Schedule
Set up: Mon, Wed, Fri a.m.; Report available: 2-5 days

Reference Range
See Laboratory Report

Clinical Significance
Adenovirus causes respiratory tract infections, conjunctivitis, and diarrhea. Infections are most common in individuals who are immunocompromised and in young children. Adenovirus Antigen Detection is useful to confirm the diagnosis of adenovirus infection in patients with gastroenteritis.

Performing Laboratory
Quest Diagnostics Infectious Disease, Inc.
33608 Ortega Highway, Bldg B-West Wing
San Juan Capistrano, 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.