Test Details
Mnemonic
CC2
Ordering Code
3422160
CPT-4 Code(s)
86160
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Allow specimen to clot for one hour at room temperature. Centrifuge and separate serum from
cells ASAP or within 2 hours of collection. Send 1.0 mL serum in screw capped plastic vial.
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
cells ASAP or within 2 hours of collection. Send 1.0 mL serum in screw capped plastic vial.
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Alternate Specimen
Plain red top
Minimum Volume
0.3 mL
Transport Temperature
CRITICAL FROZEN
Rejection Criteria
Non-frozen specimens. Specimens exposed to repeated freeze/thaw cycles. Specimens left
to clot at refrigerated temperature. No alternate specimens accepted.
to clot at refrigerated temperature. No alternate specimens accepted.
Stability
After separation from cells
Room temperature: 2 hours
Refrigerated: Unacceptable
Frozen: 14 days
Room temperature: 2 hours
Refrigerated: Unacceptable
Frozen: 14 days
Methodology
Quantitative Radial Immunodiffusion
Reference Range
1.6 - 4.0 mg/dL
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes