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Test Code PTINR Prothrombin Time INR

Additional Codes

N/A

Alias

N/A

Collection Method

Venous Collection

Container

Blue sodium citrate tube

Instructions/Special Handling

N/A

Preferred Specimen

Blue sodium citrate tube

Acceptable Specimes

Blue sodium citrate tube

Units

Seconds

Reference Ranges

PT:  9.4 - 12.5 seconds

Critical Values

INR >/= 5.0

 

Reasons for Rejection

Hemolysis N/A
Icterus N/A
Lipemia N/A
Other QNS, Contaminated, Improperly labeled, Improper specimen type, Clotted, Insufficiently or over filled tube

 

Specimen Stability

Ambient (15-25°C) 24 hours
Refrigerated (2-8°C) N/A
Frozen (-20°C) 2 weeks (-20°C) or 3 months (-70°C)

 

Performing Site

Boone Health Laboratory

Performance Information

Days/Times Performed Monday - Friday
Expected Turn around Time 1 -3 days
Methodology/Method Description ACL TOP - Absorbance

CPT Code(s)

85610

CMS National Coverage Policy - PT

Panel Components

N/A