Master Beneficiary Summary File (MBSF): National Death Index (NDI) Segment

This segment includes cause of death information from death certificates provided through linkage with the National Death Index (NDI). This data is available for all deceased Medicare beneficiaries from 1999-2016.

What does this file include? (variable highlights)

  • NDI date of death
  • ICD-10 code for cause of death
  • Underlying conditions for cause of death
  • CDC category code for cause of death

This file is a segment that can be requested in addition to the Master Beneficiary Summary File (MBSF) base file.

Availability of this file


CY 1999-2016

This file is only available in the VRDC.

See what is in this file