Specimen Collection Manual and Test Catalog
ALPHA-1-ANTITRYPSIN (AAT) PHENOTYPE
Geisinger Epic Procedure Code: LAB1037 Geisinger Epic ID: 52073SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Alternate collection container:
6 mL red-top (plain, non-serum separator) tube
Specimen required:
1 mL serum; minimum 0.1 mL.
SPECIMEN PROCESSING
Processing instructions:
Centrifuge and aliquot.
Transport temperature:
Refrigerated (cold packs).
Specimen stability:
Room temperature: 8 hours. Refrigerated: 14 days. Frozen: 30 days.
Rejection criteria:
Received room temperature
TEST DETAILS
CPT code(s):
82104
Note: The billing party has sole responsibility for CPT coding. Any
questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Methodology:
Isoelectric Focusing
Synonyms:
Quest test code 853, A1A pheno, P1 Typing
Clinical significance:
Review Date:
12/05/2024 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.
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