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 frozen in a screw-capped plastic vial.

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

Methodology

Clotting
more

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%
more

Performing Laboratory

ARUP Reference Laboratory
more

New York DOH Approval Status

Yes
more