Test ID: Q0428
CPT code: 82103
LOINC: 1825-9
Specimen Type: Red, SST, Lav (EDTA) or green-top (heparin)
Frequency: 1 – 2 days
Instructions: 1 mL Serum or Plasma from Red, SST, Lav (EDTA) or green-top (heparin), Ambient. Min 0.3 mL.
Text: Detection of hereditary decreases in the production of α1-antitrypsin (α1AT). Decreased or nearly absent levels of α1AT can be a factor in chronic obstructive lung disease and liver disease. Cirrhosis in a child, consider α1AT deficiency or Wilson’s disease. Diagnosis of inflammatory states, if elevated (eg, RA, bacterial infection, vasculitis, neoplasia).
Methodology: Immunologic