National_Coverage_Determinations_Manual / PROTHROMBIN_TIME

Why This Topic Matters

It helps determine whether PT testing documentation supports coverage under Medicare policy and highlights circumstances where repeat testing or testing around procedures may require additional justification.

Article Sections

1. Prothrombin Time (PT)

   Introduces the laboratory test, its general role in coagulation assessment, and the broader clinical context for PT and related measures.

2. Indications

   Summarizes the major patient groups and clinical situations described for PT testing, including medication monitoring, bleeding or thrombosis concerns, and underlying conditions associated with coagulation abnormalities.

3. Limitations

   Describes coverage limitations related to frequency of testing, repeat testing considerations, and circumstances around testing before medical interventions.