E66.01
BillableMorbid (severe) obesity due to excess calories
Morbid (severe) obesity due to excess calories
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
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-)
Also Known As / Clinical Terms
Frequently Asked Questions
What is the ICD-10 code for morbid (severe) obesity due to excess calories?
The ICD-10-CM code for morbid (severe) obesity due to excess calories is E66.01. The full clinical description is "Morbid (severe) obesity due to excess calories". E66.01 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code E66.01 mean?
ICD-10-CM code E66.01 represents "Morbid (severe) obesity due to excess calories". It is classified under Chapter 4: Endocrine, Nutritional and Metabolic Diseases and is a billable/specific code that can be used on a claim.
Is E66.01 a billable code?
Yes, E66.01 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is E66.01 in?
E66.01 is in Chapter 4: Endocrine, Nutritional and Metabolic Diseases (codes E00-E89).
What codes cannot be used with E66.01?
E66.01 has Excludes1 notes indicating codes that cannot be used together with it, including: transitory endocrine and metabolic disorders specific to newborn (P70-P74); morbid (severe) obesity with alveolar hypoventilation (E66.2).
Are additional codes required with E66.01?
Yes, when using E66.01 you should also code: code to identify body mass index (BMI), if known, for adults (Z68.1-Z68.45) or pediatrics (Z68.5-).
What SNOMED CT codes does E66.01 map to?
E66.01 maps to 3 SNOMED CT concepts: 819948005, 238136002, 83911000119104. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for E66.01?
E66.01 is linked to 1 UMLS Concept Unique Identifier: C2874225. 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.