Alpha-1 Antitrypsin Phenotyping (Pi typing)
| Source |
Blood |
| Mnemonic |
AATPI |
| Specimen Requirements |
1 x 5 mL gold top SST tube |
| Specimen Handling |
Submit two 1 mL aliquots with a photocopy of the requisition.
RRL or extra-regional: Centrifuge and freeze serum prior to transport to DSC. |
| Additional Information |
Screen with AAT will be performed prior to referral on all samples except familial studies. If the test results are normal, phenotyping test will be cancelled. If request is specifically for “familial studies”, contact Chemistry at 770-3265 to ensure test is not cancelled, but referred. |
| Testing Location |
University of Alberta |
|
| Testing Frequency |
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| Alternate Name(s) |
Alpha-1 Antitrypsin Genotyping, Antitrypsin Familial Studies, Antitrypsin Pi, Pi Phenotyping, Protease Inhibitor |
| Reference Interval |
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