Alpha-1 antitrypsin phenotype
- Test Name:
- Alpha-1 antitrypsin phenotype
- Synonyms:
-
A1AT phenotype
AAT phenotype
AATP
PI Typing
Protease inhibitor allotype
-
Ordering Information:
- Also, order Alpha-1-antitrypsin if no results are recorded on the requisition
- Testing Prerequisites:
-
Approval by Clinical Chemist is required if the patient's clinical condition warrants phenotype testing and the alpha-1 antitrypsin is not < 0.90 g/L
Note: If Alpha-1-Antitrypsin, serum quantitation was performed at another referral lab, record results and reporting units on the requisition
- Collection Device/Tube Type:
-
3.5 mL blood - GOLD SST (gel)
- Submission Requirements:
- 1 mL of serum
- Handling/Storage Comments:
-
If specimen will not be received at DynaLIFE within 3 days of collection:
• Aliquot and freeze
• Transport the sample frozen - Frequency of Testing:
-
Bi-weekly
- Reference Range:
-
No reference range, an interpretation is reported
- Comments:
-
Phenotype is automatically performed when the alpha-1-antitrypsin level is <0.90 g/L
- Last Reviewed:
- 22 April 2023
