HEDIS 3.0 updated for 1998.Nurs Manage. 1998 Apr; 29(4):24-6.NM
The third version of the Health Plan Employer Data and Information Set (HEDIS) has been revised for 1998. Many changes affect either the clinical codes that determine whether a member received a service or the content of the service being measured. The updated version contains 15 fewer measures than did its predecessor.