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Test Code LAB0208868 Prothrombin Time/INR

Additional Codes

EPIC Test codes
LAB0208868 PROTHROMBIN TIME/INR

 

Reporting Title

Prothrombin Time/INR

Methodology

Photo-Optical Clot Detection

Performing Laboratory

Rice Memorial Hospital

Specimen Requirements

Specimen Type: Platelet-poor citrate plasma

Container/Tube: Citrated (3.2%) tube, properly filled

Submission Container/Tube: Plastic transport tube

Specimen Volume: 1 mL

Specimen Minimum Volume: 0.5 mL

Collection Instructions: Separation of plasma within 24 hours of collection is recommended.

Specimen Transport Temperature

Frozen up to 2 weeks at -20°C 

Reference Values

PROTIME

9.4-12.5 seconds

INR

0.9-1.1 INR

Critical Value:

INR: >4.5 INR

Day(s) Test Set Up

Monday through Sunday

CPT Coding

85610