E66
Non-billableOverweight and obesity
Overweight and obesity
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
Child Codes
6
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
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 (6)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code E66?
ICD-10-CM code E66 represents "Overweight and obesity". It is a non-billable header code — use a more specific child code for billing purposes.
Is E66 a billable code?
No, E66 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under E66.
What chapter is E66 in?
E66 is in Chapter 4: Endocrine, Nutritional and Metabolic Diseases (codes E00-E89).
What codes cannot be used with E66?
E66 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?
E66 has 6 child codes, including: E66.0 (Obesity due to excess calories), E66.1 (Drug-induced obesity), E66.2 (Morbid (severe) obesity with alveolar hypoventilation), E66.3 (Overweight), and 2 more.
Are additional codes required with E66?
Yes, when using E66 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?
E66 is linked to 1 UMLS Concept Unique Identifier: C1561826. 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.