Test Details
Mnemonic
F12AR
Ordering Code
3619160
CPT-4 Code(s)
85280
Specimen Information
Patient Preparation
Collect using coagulation test collection methods.
Collect
Light blue sodium citrate
Specimen Preparation
See Coagulation Test Instruction Guide. Send 2.0 mL plasma in a screw capped plastic vial.
Minimum Volume
1.0 mL
Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Rejection Criteria
Serum, non-frozen or hemolyzed specimens, EDTA plasma
Stability
Room temperature: 4 hours
Refrigerated: Unacceptable
Frozen: 14 days
Refrigerated: Unacceptable
Frozen: 14 days
Methodology
Clotting
Reference Range
58 - 166%
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes