ICD-10-CM › E00-E89 › E65-E68 › E codes › E66

E66

Overweight and obesity

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 6 more specific codes instead:

  • E66.0 Obesity due to excess calories (also a header)
  • E66.1 Drug-induced obesity
  • E66.2 Morbid (severe) obesity with alveolar hypoventilation
  • E66.3 Overweight
  • E66.8 Other obesity (also a header)
  • E66.9 Obesity, 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 Overweight and obesity

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

Excludes2 - not included here

  • adiposogenital dystrophy (E23.6)
  • lipomatosis dolorosa [Dercum] (E88.2)
  • lipomatosis NOS (E88.2)
  • Prader-Willi syndrome (Q87.11)

Use additional code

  • code to identify body mass index (BMI), if known, for adults (Z68.1-Z68.45) or pediatrics (Z68.5-)

Code first

  • obesity complicating pregnancy, childbirth and the puerperium, if applicable (O99.21-)