C1 ESTERASE INHIBITOR FUNCTION

Specimen Required
Draw blood in a red-top tube. Centrifuge, separate and send 1.0 mL serum (0.2 mL minimum) frozen in a screw-capped plastic vial. CRITICAL FROZEN. Sample may not be shared for other testing.

Alternate Specimen
Serum: Red-top

Rejection Criteria
SST, gross lipemia, specimen not frozen

Methodology
Enzyme Linked Immunoassay

Stability
Room Temperature: Unacceptable; Refrigerated: Unacceptable; Frozen: 30 days

Reference Range
Normal:   >=68%  
Equivocal:   41-67%  
Abnormal:   <=40%  

Performed
Tuesday

Turnaround Time3-10 days
Test CodeC1EIF
CPT-4 Code (s)
86161
LOINC Codes
10634-4

Warde
Medical
Laboratory