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Normal range: 12-16 seconds

INR normal value: 1

INR therapeutic range: 2-3

Comment: Prothrombin time is prolonged by oral anticoagulant therapy, liver disease, malabsorption, DIC and congenital Factor II, V, VII, and X deficiencies. Results are reported as INR for oral anticoagulant control, an INR of between 2.0 and 4.0 is recommended, depending on the clinical condition

Sample: Citrated plasma