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 platelet-poor 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, clotted 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