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Test Code CHEM17 Alpha 1 Antitrypsin

Clinical Information

A1A is an acute-phase reactant, and any inflammatory process will elevate serum A1A levels. Low alpha-1-antitrypsin (A1A) levels may result from liver disease, and A1A prototype testing should be done to confirm A1A deficiency disease. 

Synonym

  • A1AT

Specimen Required

Preferred Container/Tube: Gold SST Top
Acceptable Container/Tube: Gold SST Top
Specimen Volume: 3 mL
Specimen Minimum Volume: 1 mL

Specimen Stability Information

Ambient: 4 hours
Refrigerated: 5 days

Specimen Collection Information

1 mL serum, spun and refrigerated if not received in lab within 4 hours of collection.

Rejected Due To

  • Gross hemolysis
  • Gross icterus
  • Quantity not sufficient

Reference Values

84-218 mg/dL

Method Description

Turbidimetry

Performing Lab

Clinical Lab UH

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 day

Reporting Name

Alpha 1 Antitrypsin

CPT Code Information

82103

LOINC Code Information

1825-9