Investigation Name:Alpha-1 Antitrypsin Genotype (AAT, A1AT)

Pathology Laboratory:Clinical Chemistry/ Biochemistry

Requestable Seperately?Yes

Minimum Sample Volume:2 mL

Expected Turnaround Time:4-5 weeks from receipt

Sample Type:

Complex Reference Range:Genotype assay identifies the S & Z allele and also indicates the presence of any other allele but cannot identify which one this is.
This assay is usually used as a confirmatory test for the AAT Phenotype especially when a deficiency allele is identified (i.e. S or Z).

Collection Conditions / Other Information:LAB INSTRUCTIONS: EDTA send unseparated.

Reference Laboratory Details:Immunology Dept, P O Box 894, Sheffield, Tel: 0114 271 5552

Referred to Another Laboratory?Yes

Further information:For clinical queries email: rwh-tr.bcpsdutybiochemist3@nhs.net