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0090805
Warfarin Quantitative, Serum or Plasma
WARF SP
Ordering Recommendation
New York DOH Approval Status
This test is New York state approved.
Specimen Required
Patient Preparation
Collect
Plain Red, Lavender (K2EDTA or K3EDTA), or Pink (K2EDTA).
Specimen Preparation
Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.2 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Storage/Transport Temperature
Refrigerated. Also acceptable: Room temperature or frozen.
Unacceptable Conditions
Separator tubes.
Remarks
Stability
Ambient: 1 month; Refrigerated: 1 month; Frozen: 15 months
Methodology
Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
Performed
Varies
Reported
8-11 days
Reference Interval
By report
Interpretive Data
Compliance Category
Performed by non-ARUP Laboratory
Note
Hotline History
N/A
CPT Codes
80375 (Alt code: G0480)
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0090803 | Warfarin Quantitative, Serum or Plasma | 4098-0 |
* 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
- Anticoagulants, Oral
- Coumadin
- Jantoven
- Panwarfarin
- Sodium Warfarin
Warfarin Quantitative, Serum or Plasma
National Medical Services (NMS)
