ARUP's Laboratory Test Directory

Warfarin, Urine : 0091230

Mnemonic: WARFARIN U

Methodology: High Performance Liquid Chromatography
Performed: Varies
Reported: 3-8 days
Specimen Required: Collect: Random urine.

Specimen Preparation: Transfer 2 mL urine to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature: Room temperature.

Stability (collection to initiation of testing): Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: 18 months
Reference Interval:
By report
CPT Code(s): 80299
Cross References: Coumadin, Urine (Warfarin, Urine)