Test Details
Mnemonic
PRINS
Ordering Code
3681100
CPT-4 Code(s)
84206
Specimen Information
Patient Preparation
Patient must fast 12 - 15 hours before collection.
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells within 2 hours and send 1.0 mL serum in a screw capped plastic vial. CRITICAL FROZEN.
Alternate Specimen
Plasma: Lavender EDTA
Serum: Red top
Serum: Red top
Minimum Volume
0.2 mL
Transport Temperature
Critical frozen
Rejection Criteria
Grossly hemolyzed specimens
Stability
Room temperature: Unacceptable
Refrigerated: 24 hours
Frozen: 2 months
Refrigerated: 24 hours
Frozen: 2 months
Methodology
Quantitative Chemiluminescent Immunoassay
Reference Range
0-17 years: Not Established
18 years and older: ≤7.2
18 years and older: ≤7.2
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes