ARUP's Laboratory Test Directory
| 0030105: Factor X, Activity |
| Test Mnemonic: F10 | |
|
Methodology: Clotting
Performed: Tue, Thu Reported: 1-6 days |
| Specimen Required: | |
|
Collect: One 5 mL lt. blue (sodium citrate). (Min: 3 mL) Refer to the Hemostasis/Thrombosis Specimens section in the front of this User's Guide for special collection instructions.
Transport: 2 mL platelet-poor plasma, frozen. (Min: 1 mL) Submit specimen in an ARUP Standard Transport Tube. Remarks: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. Unacceptable Conditions: Serum. Nonfrozen or hemolyzed specimens. Stability: Ambient: 4 hours; Refrigerated: 4 hours; Frozen: 2 weeks |
|
| Reference Interval: |
|
1-4 days: 12-68% 5-29 days: 19-79% 30-89 days: 31-87% 90-179 days: 35-107% 180-364 days: 38-118% 1-6 years: 58-116% 7-9 years: 74-130% 10-11 years: 70-134% 12-13 years: 69-133% 14-15 years: 63-160% 16-17 years: 74-146% 18 years and older: 82-157% |
| Note: | |
| Do not order for FXa level. Refer to Heparin Anti-Xa, Low Molecular Weight Heparin (0030144) or Heparin Anti-Xa, Unfractionated (0030143). |
| CPT Code(s): | |
| 85260 |