Test Details
Mnemonic
C1EIF
Ordering Code
3700120
CPT-4 Code(s)
86161
Specimen Information
Collect
Red top
Specimen Preparation
Centrifuge, separate serum from cells and send 1.0 mL serum frozen in a screw capped plastic vial. CRITICAL FROZEN. Sample may not be shared for other testing.
Minimum Volume
0.2 mL
Transport Temperature
Frozen
Rejection Criteria
Serum separatory tube (SST), gross lipemia, specimen not frozen
Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 30 days
Refrigerated: Unacceptable
Frozen: 30 days
Methodology
Enzyme Immunoassay
Reference Range
Normal: ≥68%
Equivocal: 41 - 67%
Abnormal: ≤40%
Equivocal: 41 - 67%
Abnormal: ≤40%
Performing Laboratory
Quest
New York DOH Approval Status
Yes