Skip to main content

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Variable: COVSTART

Medicare Coverage Start Date

Description

This variable is the date when the beneficiary first became eligible for Medicare coverage (Part A or Part B).

Comment

Historic date of 1st Medicare coverage (may be prior to 1999, which is the earliest claim files available through CCW).

Values

n/a

Other Info

Some additional information on this variable:

  • Short Name: COVSTART
  • Long Name: COVSTART
  • Type: DATE
  • Length: 8
  • Source: CMS Enrollment Database (EDB)
  • Value Format:

bluebutton.cms.gov

official website of the U.S. Department of Health and Human Services and the Centers for Medicare & Medicaid Services.

Looking for U.S. government information and services?
Visit USA.gov