Alpha -1- Antitrypsin Phenotyping (A 1 PHENO)
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| Synonyms:
| A 1 Anti Pheno, AAT-Pi |
| Specimen: | Blood; Preferred (1) SST (serum separator) or Red (no preservatve) top vacutainer tube.
Fasting specimen is preferred. |
| Volume: | Full primary tube |
| Minimum Volume: | 0.5 mL |
| Collection: | If tube other than an SST is collected, transfer serum to a tightly capped plastic aliquot tube within 2 hours of collection for transport.
Refrigerate at 2-8 °C. |
| Rejection Criteria: | Hemolysis; specimen at room temperature; improper labeling. |
| Reference Range: | See report |
| Methodology: | Phenotype: isoelectric focusing (IEF); total; immunologic |
| Test Use: | Definitive analysis of hereditary α1-antitrypsin deficiency, which is associated with chronic obstructive pulmonary disease (COPD) (panacinar emphysema), hepatic cirrhosis, and hepatoma. Cholestasis with neonatal hepatitis is found in a minority of neonat |
| Additional Information: | No Additional Information Listed |
| Testing Includes: | Specimen sent to LabCorp. LabCorp test # 095653. |
| Testing Facility: | LabCorp |