ICD-10-CM › D50-D89 › D55-D59 › D codes › D56

D56

Thalassemia

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 8 more specific codes instead:

  • D56.0 Alpha thalassemia
  • D56.1 Beta thalassemia
  • D56.2 Delta-beta thalassemia
  • D56.3 Thalassemia minor
  • D56.4 Hereditary persistence of fetal hemoglobin [HPFH]
  • D56.5 Hemoglobin E-beta thalassemia
  • D56.8 Other thalassemias
  • D56.9 Thalassemia, unspecified

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Thalassemia

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

This code

Excludes1 - never coded here

  • sickle-cell thalassemia (D57.4-)