International Normalized Ratio of Prothrombin Time

Preferred Label : International Normalized Ratio of Prothrombin Time;

NCIt related terms : INR; Prothrombin Intl. Normalized Ratio;

NCIt definition : A measure of the extrinsic pathway of coagulation. The International Normalized Ratio of Prothrombin Time (INR) is the ratio of a patient prothrombin time to a normal (control) sample raised to the power of the International Sensitivity Index (ISI) with a range of 0.8 to 1.2 seconds.;

Alternative definition : CDISC: A ratio that represents the prothrombin time for a plasma specimen, divided by the result for a control plasma specimen, further standardized for the International Sensitivity Index of the tissue factor (thromboplastin) used in the test.;

Details

Origin ID

C64805;

UMLS CUI

C3853850;

Semantic type(s)
- Laboratory Procedure [UMLS semantic type]
concept_is_in_subset
- CDISC SDTM Laboratory Test Code Terminology [NCIt concept]
- CDISC SDTM Laboratory Test Name Terminology [NCIt concept]
- CDISC SDTM Terminology [NCIt concept]
- CDISC SEND Terminology [NCIt concept]
- Clinical Data Interchange Standards Consortium Terminology [NCIt concept]
- OS Authorized Value Terminology [NCIt concept]
- OS Lab Table [NCIt concept]
related_to_genetic_biomarker
- F2 Gene [NCIt concept]

Keyword's position in hierarchy(ies) :

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