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Worcestershire Acute Hospitals NHS Trust
Alpha 1-Antitrypsin Phenotype
CategoryClinical Biochemistry
Test information
Sent if quantitative a1AT is less than 1.3 g/l and on all paediatric AATs. May be requested in the investigation of liver disease in neonates/infants with A1AT of any value. May be requested in the investigation of recurrent lung infections in all ages. If requested in neonates - must be 3-4 weeks post transfusion for phenotyping.
May be raised in acute phase response
Reference range
see report
Special requirements
Tube type
Gold top tube
Minimum volume
2 mL
TAT Inpatient
3 weeks
TAT GP/Outpatient
3 weeks
Referral lab
Protein Reference Unit & Immunology, Sheffield Teaching Hospitals
Page last updated: 11 January 2022