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ICD-10-CM Current in FY 2027

E66.2

Morbid (severe) obesity with alveolar hypoventilation

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where E66.2 sits in the official hierarchy. Each level is the code it is classified under.

  1. E66 Parent Overweight and obesity
  2. E66.2 This code Morbid (severe) obesity with alveolar hypoventilation

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Inclusion Terms

Obesity hypoventilation syndrome (OHS)

Inclusion Terms

Pickwickian syndrome

Excludes2

adiposogenital dystrophy ( E23.6 )

Inherited from E66 — Overweight and obesity

Excludes2

lipomatosis dolorosa [Dercum] ( E88.2 )

Inherited from E66 — Overweight and obesity

Excludes2

lipomatosis NOS ( E88.2 )

Inherited from E66 — Overweight and obesity

Excludes2

Prader-Willi syndrome ( Q87.11 )

Inherited from E66 — Overweight and obesity

Code First

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

Inherited from E66 — Overweight and obesity

Use Additional Code

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

Inherited from E66 — Overweight and obesity

Version History

How E66.2 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Morbid (severe) obesity with alveolar hypoventilation

  2. FY 2026 Effective

    Unchanged

    Morbid (severe) obesity with alveolar hypoventilation

Related Codes

Other codes under E66

Codes whose official notes reference E66.2

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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