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