Alpha-1-Antitrypsin (AAT) Phenotype

Message

Performed at SJC Test Code 853

Test Code

AAP

Quest Code

853

Alias/See Also

853

CPT Codes
82104

Preferred Specimen

1 mL serum

Minimum Volume

0.1 mL

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 8 hours
Refrigerated: 14 days
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Received room temperature

Methodology
Isoelectrofocusing

Setup Schedule

Set up: Mon, Wed, Fri; Report Available: 3-6 days

Report Available

1-6 Days

Reference Range

See Laboratory Report

Clinical Significance

More than 40 phenotypes of AAT exist. The inherited deficiency, seen most often as the ZZ, SS and SZ phenotypes, is associated with neonatal hepatitis and infantile cirrhosis. In adults, these phenotypes are associated with chronic lung disease, including emphysema and chronic bronchitis.

Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130

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.