Test Details
Mnemonic
F7AR
Ordering Code
3619060
CPT-4 Code(s)
85230
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: 4 hours
Frozen: 14 days
Refrigerated: 4 hours
Frozen: 14 days
Methodology
Clotting
Reference Range
1 - 4 days: 28 - 104%
5 - 29 days: 35 - 143%
30 - 89 days: 42 - 138%
90 - 179 days: 39 - 143%
180 - 364 days: 47 - 127%
1 - 5 years: 55 - 116%
6 years: 52 - 120%
7 - 9 years: 67 - 145%
10 - 11 years: 71 - 163%
12 - 13 years: 78 - 160%
14 - 15 years: 74 - 180%
16 - 17 years: 63 - 163%
18 years and older: 80 - 181%
5 - 29 days: 35 - 143%
30 - 89 days: 42 - 138%
90 - 179 days: 39 - 143%
180 - 364 days: 47 - 127%
1 - 5 years: 55 - 116%
6 years: 52 - 120%
7 - 9 years: 67 - 145%
10 - 11 years: 71 - 163%
12 - 13 years: 78 - 160%
14 - 15 years: 74 - 180%
16 - 17 years: 63 - 163%
18 years and older: 80 - 181%
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes