Alpha-1-Antitrypsin Phenotyping (Includes A-1-A Total)
| Abbrev Code: | A1APHT | ||
| Order Code: | LAB5572 | Order Name: | Alpha 1 Antitrypsin |
| Synonyms: | Protease Inhibitor Phenotype; Alpha 1 Antitrypsin | ||
| Methodology: | Isoelectric focusing/Immunoturbidimetric | ||
| CPT Codes: | 82104 x1, 82103 x1 | ||
| Test Includes: | Alpha-1-Antitrypsin and Phenotype | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported in 2-4 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2 mL |
| Minimum\Peds Volume: | 0.8 mL |
| Container: | Red or gold (gel) Alternate Containers: Red (no gel) |
| Causes for Rejection: | Grossly hemolyzed specimens |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 1 mL, 0.3 mL minimum. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | 1 week at room temperature; 3 months refrigerated or frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 80500 |
Interpretive
| Reference Range: | Alpha-1-Antitrypsin: 90-200 mg/dL. Phenotype: by report. Interpret with caution if the patient has been transfused within the previous 21 days. |
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