Test Details
Mnemonic
C1ESQ
Ordering Code
3707010
CPT-4 Code(s)
86160
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells and send 1.0 mL serum refrigerated in a screw capped plastic vial.
Alternate Specimen
Serum: Red top
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Stability
Room temperature: 7 days
Refrigerated: 8 days
Frozen: 12 months
Refrigerated: 8 days
Frozen: 12 months
Methodology
Nephelometry
Reference Range
21 - 39 mg/dL
Performing Laboratory
Quest
New York DOH Approval Status
Yes