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Point of Care Testing
Pathology Lab Manual
All Site Content
A1A Pheno, Alpha-1-Antitrypsin Phenotype
A1A Total and A1A Phenotype
2.0 mL blood
Volume and Container
5.0 mL gold top SST blood tube
Storage and Transport
Serum stored refrigerated until ready for transport to Mayo Medical Laboratory Rochester
Causes for Rejection
Specimen other than serum, hemolysis
Turn Around Time
3-10 business days from time of collection
Monday-Friday from 8 am-5 pm, except observed holidays
CPT / HCPCS Code
Identification of homozygous and heterozygous phenotypes of the A1A deficiency.
Mayo Medical Laboratory Rochester
Test performed Monday-Friday at Mayo Medical Laboratory Rochester
Isoelectric Focusing, Nephelometry
See reference lab report
Limitations and Contraindications
A1A deficiency is usually associated with the Z phenotype, but genotypes such as SS and SZ are also associated with decreased A1A levels.
CPOE Test Name
Ref A1AP, Ref A1AT Phenotype
Created at 9/8/2014 5:57 PM by Bradshaw, Keir
Last modified at 9/8/2014 5:57 PM by Bradshaw, Keir
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