Test Details
Mnemonic
F8AR
Ordering Code
3619020
CPT-4 Code(s)
85240
Specimen Information
Patient Preparation
Collect using coagulation test collection methods.
Collect
Light blue sodium citrate
Specimen Preparation
Send 2.0 mL plasma in a screw capped plastic vial. CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered
Minimum Volume
1.0 mL
Transport Temperature
Critical frozen
Rejection Criteria
Serum, non-frozen or hemolyzed specimens, EDTA plasma
Stability
Room temperature: 4 hours
Refrigerated: Unacceptable
Frozen: 3 months
Refrigerated: Unacceptable
Frozen: 3 months
Methodology
Clotting
Reference Range
0 - 6 years: 56 - 191%
7 - 9 years: 76 - 199%
10 - 11 years: 80 - 209%
12 - 13 years: 72 - 198%
14 - 15 years: 69 - 237%
16 - 17 years: 63 - 221%
18 years and older: 56 - 191%
7 - 9 years: 76 - 199%
10 - 11 years: 80 - 209%
12 - 13 years: 72 - 198%
14 - 15 years: 69 - 237%
16 - 17 years: 63 - 221%
18 years and older: 56 - 191%
Performing Laboratory
ARUP
New York DOH Approval Status
Yes