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Available Tests

  • International Normalized Ratio (INR)

International Normalized Ratio (INR)

Test ID LAB320
EPIC Order
CPT Code(s)
Group/Individual Test Part of Prothrombin Time
Laboratory Core Laboratory
Tube Station 30 Routine: 888 STAT
Specimen Routine: 2.7 mL Blood/Light Blue Top Tube; See Important Comments
Pediatric: 1.8 mL Blood Pediatric Light Blue Top Tube
Unspun: 4 hours
Room temperature: 24 hours
Refrigerator: NO
Frozen: 14 days
Availability Routine: 24 hr./day
Turnaround Time Routine 2 hrs.
STAT 1 hr.
Reference Range Normal: Interpretation
Internal Reference Testing Specimen Handling Instructions: Platelet Poor-Aliquot and Freeze within 4 hours.
Comments Prothrombin Time MUST be Ordered: Calculation Based on Prothrombin Time

Reviewed by gloria_crawford on February 01, 2017

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514