ARUP's Laboratory Test Directory
| 0090805: Warfarin, Serum or Plasma |
| Test Mnemonic: WARF SP | |
|
Methodology: High Performance Liquid Chromatography
Performed: Varies Reported: Within 7 days |
| Specimen Required: | |
|
Collect: One 7 mL plain red, gray (sodium fluoride/potassium oxalate), green (sodium heparin), lavender (EDTA), or pink (K2 EDTA).
Transport: 2 mL serum or plasma at 20-25°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube. Unacceptable Conditions: Separator tubes. Stability: Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: 18 months |
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| Reference Interval: |
| By report |
| CPT Code(s): | |
| 80299 |