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Test Code PT Protime w INR (PT) (INR)

Specimen Requirements

Container/Tube: BLUE
Preferred: Citrated Plasma
Acceptable: Citrated Plasma
Specimen Volume: 1.0 mL plasma Collection tube must be properly filled.

TRANSPORT TEMPERATURE

18-24 °C uncentrifuged or centrifuged capped <24 hours from time of collection. If >24 hours remove platelet poor plasma and store
–20°C for up to 2 weeks or at
–70°C for up to 6 months

PERFORMING LAB

WKMC, WKB, WKP, WKS