E66.0

Non-billable

Obesity due to excess calories

Obesity due to excess calories

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

E65-E68

Parent Code

E66

Child Codes

2

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Excludes 2

Conditions not included here, but the patient may have both

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

Code First

The underlying condition must be sequenced before this code

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

Use Additional Code

Additional codes that should follow this code

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

Child Codes (2)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code E66.0?

ICD-10-CM code E66.0 represents "Obesity due to excess calories". It is a non-billable header code — use a more specific child code for billing purposes.

Is E66.0 a billable code?

No, E66.0 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under E66.0.

What chapter is E66.0 in?

E66.0 is in Chapter 4: Endocrine, Nutritional and Metabolic Diseases (codes E00-E89).

What codes cannot be used with E66.0?

E66.0 has Excludes1 notes indicating codes that cannot be used together with it, including: transitory endocrine and metabolic disorders specific to newborn (P70-P74).

What are the subcategories under E66.0?

E66.0 has 2 child codes, including: E66.01 (Morbid (severe) obesity due to excess calories), E66.09 (Other obesity due to excess calories).

Are additional codes required with E66.0?

Yes, when using E66.0 you should also code: code to identify body mass index (BMI), if known, for adults (Z68.1-Z68.45) or pediatrics (Z68.5-).

What are the UMLS CUIs for E66.0?

E66.0 is linked to 1 UMLS Concept Unique Identifier: C0451819. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.