AutoICD API

E66.813

Billable

Obesity, class 3

Obesity, class 3

Status

Billable / Specific

Block

E65-E68

Parent Code

E66.81

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-)

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for obesity, class 3?

The ICD-10-CM code for obesity, class 3 is E66.813. The full clinical description is "Obesity, class 3". E66.813 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code E66.813 mean?

ICD-10-CM code E66.813 represents "Obesity, class 3". 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 E66.813 a billable code?

Yes, E66.813 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is E66.813 in?

E66.813 is in Chapter 4: Endocrine, Nutritional and Metabolic Diseases (codes E00-E89).

What codes cannot be used with E66.813?

E66.813 has Excludes1 notes indicating codes that cannot be used together with it, including: transitory endocrine and metabolic disorders specific to newborn (P70-P74).

Are additional codes required with E66.813?

Yes, when using E66.813 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 E66.813?

E66.813 is linked to 1 UMLS Concept Unique Identifier: C1556381. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Try FreeView API Docs

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.