Test Details
Mnemonic
F9AR
Ordering Code
3619080
CPT-4 Code(s)
85250
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: 4 hours
Frozen: 14 days
Refrigerated: 4 hours
Frozen: 14 days
Methodology
Clotting
Reference Range
1 - 4 days: 15 - 91%
5 - 29 days: 15 - 91%
30 - 89 days: 21 - 81%
90 - 179 days: 21 - 113%
180 - 364 days: 36 - 136%
1 - 5 years: 47 - 104%
6 years: 63 - 89%
7 - 9 years: 70 - 133%
10 - 11 years: 72 - 149%
12 - 13 years: 73 - 152%
14 - 15 years: 80 - 161%
16 - 17 years: 86 - 176%
18 years and older: 78 - 184%
5 - 29 days: 15 - 91%
30 - 89 days: 21 - 81%
90 - 179 days: 21 - 113%
180 - 364 days: 36 - 136%
1 - 5 years: 47 - 104%
6 years: 63 - 89%
7 - 9 years: 70 - 133%
10 - 11 years: 72 - 149%
12 - 13 years: 73 - 152%
14 - 15 years: 80 - 161%
16 - 17 years: 86 - 176%
18 years and older: 78 - 184%
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes