Test Details
Mnemonic
C4AL
Ordering Code
3515710
CPT-4 Code(s)
86160
Specimen Information
Collect
Lavender EDTA
Specimen Preparation
Centrifuge within 30 minutes of collection and separate cell-free plasma. Send 1.0 mL plasma frozen (-70°C) in a screw capped plastic vial.
Minimum Volume
0.5 mL
Transport Temperature
Frozen (-70°C)
Rejection Criteria
Specimens received not frozen.
Stability
Room temperature: Unacceptable
Refrigerated; Unacceptable
Frozen (-70°C): 1 year
Refrigerated; Unacceptable
Frozen (-70°C): 1 year
Methodology
Radioimmunoassay
Reference Range
0 - 2830 ng/mL
Performing Laboratory
National Jewish
New York DOH Approval Status
Yes