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0030105
Factor X, Activity
F10
Ordering Recommendation
Evaluate for possible factor X deficiency.
New York DOH Approval Status
This test is New York state approved.
Specimen Required
Patient Preparation
Collect
Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.
Specimen Preparation
Transfer 2 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 1 mL)
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Unacceptable Conditions
Serum. EDTA plasma, clotted or hemolyzed specimens.
Remarks
Stability
Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: 2 weeks
Methodology
Electromagnetic Mechanical Clot Detection
Performed
Mon-Sat
Reported
1-3 days
Reference Interval
| Age | Reference Interval | Age | Reference Interval |
|---|---|---|---|
| 1-4 days | 12-68% | 7-9 years | 74-130% |
| 5-29 days | 19-79% | 10-11 years | 70-134% |
| 30-89 days | 31-87% | 12-13 years | 69-133% |
| 90-179 days | 35-107% | 14-15 years | 63-146% |
| 180-364 days | 38-118% | 16-17 years | 74-146% |
| 1-5 years | 58-116% | 18 years and older | 81-157% |
| 6 years | 55-101% |
Interpretive Data
Compliance Category
Standard
Note
Do not order for FXa level. Refer to Heparin Anti-Xa, Low Molecular Weight Heparin (0030144) or Heparin Anti-Xa, Unfractionated (0030143).
Hotline History
N/A
CPT Codes
85260
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0030105 | Factor X, Activity | 3218-5 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- Clot Based Factor X Activity
- Common Pathway Proteins, Factor X
- F10
- Stuart Factor
- Stuart-Prower Factor
Factor X, Activity
