Test Code LAB20623 C1 Esterase Inhibitor Function
Reference Lab Test Number
C1EIF
Refer To
Primary Collection Container
Red (No Gel)
Transport
Frozen
Preferred Transport Temperature
Serum Frozen
Processing
CRITICAL FROZEN
Centrifuge, separate serum from cells and send 1.0 mL serum frozen in a screw capped plastic vial. Sample may not be shared for other testing.
Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 30 days
Minimum Testing Volume
0.2 mL
Reference Range
Normal: ≥68%
Equivocal: 41 - 67%
Abnormal: ≤40%
Methodology
Enzyme Immunoassay
Performed
Monday - Saturday
Reported
4-8 days
CPT Codes
86161
Unacceptable Conditions
Serum separatory tube (SST), gross lipemia, specimen not frozen