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Restricted-use Linked Mortality File Documentation

Data File Description

The updated NCHS Linked Mortality Files provide mortality follow-up data through December 31, 2011. Mortality ascertainment is based primarily upon the results from a probabilistic match between NCHS surveys and NDI death certificate records.

List of Variables at a Glance

  • Eligibility status
  • Final mortality status
  • Date of death
  • Age at death
  • Date of birth
  • Age when last presumed alive
  • Date of interview/exam
  • Age at interview/exam
  • Underlying cause of death codes and recodes (ICD-9 and ICD-10)
  • Multiple cause of death codes

File Documentation – All Surveys

Contact Us:
  • National Center for Health Statistics
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  • 1 (800) 232-4636
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  • Contact CDC–INFO
  • Page last reviewed: November 6, 2015
  • Page last updated: November 21, 2013
  • Content source: CDC/National Center for Health Statistics
  • The U.S. Government's Official Web PortalDepartment of Health and Human Services
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    800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC-INFO