Implementation of Cluster Coding Fact Sheet

Date published: 14 March 2025

Cluster coding is a mechanism of linking related diagnosis codes through use of a diagnosis cluster identifier (DCID) that will enhance the value of coded data.

Cluster coding is a mechanism of linking related diagnosis codes through use of a diagnosis cluster identifier (DCID) that will enhance the value of coded data.

Codes are considered ‘related’ when they connect the circumstances of an event or certain other code relationships together.

The topics covered in this fact sheet include:

  • Why is cluster coding necessary?
  • Benefits of cluster coding
  • How does cluster coding work?
  • What does a DCID look like?
  • Staged implementation
  • Support for implementation.
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