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Alpha-1-Antitrypsin Phenotype

Alias: A1AT Phenotyping, AATP

Discipline: Clinical Chemistry

Test information: Phenotyping is recommended when A1AT <1.2g/L. A1AT deficiency is an inherited autosomal co-dominant disorder with a incidence of 1 in 2000-5000 individuals. The Z and S alleles are the most frequent deficiency alleles. DO NOT FREEZE PRIOR TO TESTING.

Specimen Type(s)
  • Blood;
Other Acceptable Specimen Type(s)
N/A
Specimen Container - Adult
  • Gold Top SST BD;
Specimen Container - Paediatric
  • Clear - Plain;
Analytes
  • N/A;
Part of a test profile?
No
Volume (min) of sample to be sent to laboratory
1ml
Patient Preparation, Sample Handling and Transport
Neonates, if transfused please wait 3-4 weeks. CMV virus can cause false positive results.
Maximum add on time
N/A
Units and Reference Ranges / Interpretation
Phenotype (e.g. PI Z) with an interpretative comment
UKAS number
8494
UKAS accredited test?
Yes
Comments
N/A

If you have any queries about a test or results interpretation please contact us.

Last updated: 22-08-2023