Factor X Activity
General Information
Lab Name
Factor X Activity
Lab Code
F10
Epic Name
Factor X Activity
Description
This test is NOT for monitoring Anti-Xa for unfractionated heparin (see: HIXA), low molecular weight heparin (see: LMWXA), Rivaroxaban level (see: RIVAR1), or Apixaban level (see: APIXN1). This test is NOT intended for monitoring warfarin effect in patients being bridged from bivalirudin (see: CHRF10).
Factor 10 activity is used for diagnosing deficency of coagulation factor 10, congenital or acquired.
Outside clients should fill and submit Coagulation Patient Clinical History Form: Coagulation Patient Clinical History Form
Synonyms
Factor 10 Assay
Interpretation
Method
Stago Clot-based Factor assay
Reference Range
Units: %
| Female | Male | ||
|---|---|---|---|
| Age | Range | Age | Range |
| 0-29d | 19-150 | 0-29d | 19-150 |
| 1m-2m | 31-150 | 1m-2m | 31-150 |
| 3m-5m | 35-150 | 3m-5m | 35-150 |
| 6m-11m | 38-150 | 6m-11m | 38-150 |
| 1y- | 50-150 | 1y- | 50-150 |
Effective date: 07/01/2004
Interferences and Limitations
Patients on bivalirudin (Angiomax), dabigatran (Pradaxa), argatroban (Novastan), rivaroxaban (Xarelto), apixaban (Eliquis), and edoxaban (Savaysa) may show prolonged clotting times. This may cause an under- estimation of the factor concentrations.
Ordering & Collection
Specimen Type
Collection
3 or 5 mL BLUE TOP (CITRATE) tube
Forms & Requisitions
Outside clients should fill and submit Coagulation Patient Clinical History Form: Coagulation Patient Clinical History Form
Handling Instructions
The Laboratory MUST process specimen, within 4 hrs of blood collection.
Quantity
requested: entire specimen
Processing
UW-MT Instructions: Take specimen to UW-MT Coag for processing. Coag tech will freeze plasma sample for transport to HMC Coag.
HMC Instructions: Take specimen to HMC Coag lab for processing.
Outside Laboratory: Centrifuge for 10 minutes, remove plasma & re-spin plasma for another 10 minutes. Decant & Freeze plasma (minimum 1.0 mL) @ -20°C to -80°C. Send frozen on dry ice.
Performance
LIS Dept Code
Coagulation (COAG)
Performing Location(s)
| HMC |
Coagulation
206-520-4600 325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420 |
|---|
Frequency
Run Monday-Friday. Reported by end of day.
Available STAT?
No
Billing & Coding
CPT codes
85260
LOINC
Interfaced Order Code
UOW833
Interfaced Result Code
UOW833