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Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog
ALPHA-1-ANTITRYPSIN (AAT) PHENOTYPE |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB1037 Geisinger Epic ID: 52073 | |
SPECIMEN COLLECTION |
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Specimen type: |
Serum | |
Preferred collection container: |
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Alternate Collection Container: |
6 mL red-top (plain, non-serum separator) tube
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Specimen required: |
1 mL serum; minimum 0.1 mL. | |
| SPECIMEN PROCESSING |
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Specimen 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 |
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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. | ||
Methodology: |
Isoelectric Focusing |
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Synonyms: |
Quest test code 853, A1A pheno, P1 Typing
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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. | |