alpha-1-antitrypsin (A1AT or AAT) PCR genotype
Immunology
Sample and container requirements
EDTA Whole Blood
Minimum volume required
2 ml unseparated whole blood
Special requirements
none
Patient preparation
None
Sample viability
overnight room temperature prior to sending to referral laboraotary
Turnaround time
14 days
Reference range
Clinical guidance
For confirmation of deficiency phenotypes S,Z, SZ. Also used in family studies https://sheffieldlaboratorymedicine.nhs.uk/search-test.php?search=2890&testname=ALPHA%201%20Antitrypsin%20PCR%20Genotype%20(Anti-Trypsin)
Notes
Sheffield
Images to go here
This information was last updated on 19 August 2026