Test ID: Z1543
CPT code: 83520
LOINC: 48494-9
Specimen Type: Red or Lav (EDTA) tube
Frequency: 3 – 5 days
Instructions: 0.5 mL Serum or Plasma from Red or Lav (EDTA) tube, Frozen. Min 0.1 mL.
Text: Esterase inhibitor is decreased in hereditary angioneurotic edema. Functional level will be decreased when concentration of inhibitor is decreased or inhibitor is nonfunctional.
Methodology: Enzyme immunoassay (EIA)