ICD 10 CODE E66.9 | OBESITY ICD 10 Code

Welcome to your go-to resource for understanding ICD 10 Code E66.9 – the key to unlocking the mysteries of Obesity in healthcare involves understanding it in a straightforward way. In this guide, we delve into everything you need to know about ICD 10 Code for Obesity, offering a detailed exploration of its significance in coding and documenting Obesity.


ICD 10 CODE E66.9

Obesity ICD 10 Code

The ICD-10 Code E66.9 serves as a billable code within the ICD-10 system, employed for the purpose of reimbursing healthcare diagnoses related to Obesity. Its counterpart in the ICD-9 system is identified as 278.00.

  • Billable: Yes
  • ICD-9 Code Transition: 278.00

2024 ICD-10 CM Diagnosis Code E66.9

  • E66.9 is a billable/specific ICD-10-CM code. It can be used to indicate a diagnosis for reimbursement purposes.
  • The effectiveness of ICD-10-CM code E66.9 in the 2024 edition commenced on October 1, 2023.

Other Synonyms Include For Obesity ICD 10 Code:

  • Adult obesity with bmi between 30 to 30.9
  • Adult obesity with bmi between 31 to 31.9
  • Adult obesity with bmi between 32 to 32.9
  • Adult obesity with bmi between 33 to 33.9
  • Adult obesity with bmi between 34 to 34.9
  • Adult obesity with bmi between 35 to 35.9
  • Adult obesity with bmi between 36 to 36.9
  • Adult obesity with bmi between 37 to 37.9
  • Adult obesity with bmi between 38 to 38.9
  • Adult obesity with bmi between 39 to 39.9
  • Childhood obesity
  • Childhood obesity, bmi 95-100 percentile
  • Maternal obesity complicating pregnancy, childbirth and the puerperium, antepartum
  • Maternal obesity during childbirth
  • Maternal obesity in pregnancy
  • Obesity (body mass index 96-100 percentile for age)
  • Obesity body mass index (bmi) 95-99 percentile for age
  • Obesity complicating period after childbirth
  • Obesity counseling
  • Obesity counseling done
  • Obesity in childbirth
  • Obesity in pregnancy
  • Obesity of adult, bmi 30-34.9
  • Obesity of adult, bmi 35-39.9
  • Obesity, bmi 30-34.9, adult
  • Obesity, bmi 35-39.9, adult
  • Obesity, body mass index (bmi) 30-30.9
  • Obesity, body mass index (bmi) 31-31.9
  • Obesity, body mass index (bmi) 32-32.9
  • Obesity, body mass index (bmi) 33-33.9
  • Obesity, body mass index (bmi) 34-34.9
  • Obesity, body mass index (bmi) 35-35.9
  • Obesity, body mass index (bmi) 36-36.9
  • Obesity, body mass index (bmi) 37-37.9
  • Obesity, body mass index (bmi) 38-38.9
  • Obesity, body mass index (bmi) 39-39.9
  • Postpartum obesity


The table below includes the most commonly used ICD-10 codes for obesity:

ICD-10 ChapterCodesCode Description
4E66.01Morbid (severe) obesity due to excess calories
4E66.09Other obesity due to excess calories
4E66.1Drug-induced obesity
4E66.2Morbid (severe) obesity with alveolar hypoventilation
4E66.8Other obesity
4E66.9Obesity, unspecified
15O99.210Obesity complicating pregnancy, unspecified trimester
15O99.211Obesity complicating pregnancy, first trimester
15O99.212Obesity complicating pregnancy, second trimester
15O99.213Obesity complicating pregnancy, second trimester
15O99.214Obesity complicating childbirth
15O99.215Obesity complicating the puerperium
Obesity icd 10

Read More: ICD 10 CODE M54.5 | LOW BACK PAIN


In conclusion, our guide provides a thorough exploration of E66.9 Code, unraveling the intricacies of Obesity. From detailed breakdowns to reimbursement insights, everything you need for accurate documentation and billing is covered. Elevate your proficiency with our comprehensive resource on Obesity ICD 10 code. Visit Rapid Billing Solution for queries related to medical billing and coding.

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