Test Details

Mnemonic

F5AR

Ordering Code

3619040

CPT-4 Code(s)

85220

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. CRITICAL FROZEN.

Minimum Volume

1.0 mL

Transport Temperature

Critical frozen

Rejection Criteria

Serum, non-frozen or hemolyzed specimens, EDTA plasma

Stability

Room temperature: Unacceptable
Refrigerated: 4 hours
Frozen: 14 days

Methodology

Clotting
more

Reference Range

1 - 4 days: 36 - 108%
5 - 29 days: 45 - 145%
30 - 89 days: 62 - 134%
90 - 179 days: 48 - 132%
180 - 364 days: 55 - 127%
1 - 5 years: 79 - 127%
6 years: 63 - 116%
7 - 9 years: 69 - 132%
10 - 11 years: 66 - 136%
12 - 13 years: 66 - 135%
14 - 15 years: 61 - 129%
16 - 17 years: 65 - 131%
18 years and older: 62 - 140%
more

Performing Laboratory

ARUP Reference Laboratory
more

New York DOH Approval Status

Yes
more