Specific code 2011 ICD-9-CM Diagnosis Code 278.01
Morbid obesity
  • ICD-9-CM 278.01 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 278.01 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 278.01.
  • More recent version(s) of ICD-9-CM 278.01: 2012 2013 2014.
Disease Synonyms
  • Obesity (body mass index (bmi) more than 40
  • Obesity, body mass index (BMI 40-44.9
  • Obesity, body mass index (BMI) >= 70
  • Obesity, body mass index (BMI) 45-49.9
  • Obesity, body mass index (BMI) 50-59.9
  • Obesity, body mass index (BMI) 60-69.9
  • Severe adult obesity with BMI between 40-44.9
  • Severe adult obesity with BMI between 45-49.9
  • Severe obesity (BMI >= 40)
  • Severe obesity, BMI >= 70, adult
  • Severe obesity, BMI 40-44.9, adult
  • Severe obesity, BMI 45-49.9, adult
  • Severe obesity, BMI 50-59.9, adult
  • Severe obesity, BMI 60-69.9, adult
  • Severely obese adult with body mass index
  • Severely obese adult with body mass index (bmi) 50 to 59.9 (finding)
  • Severely obese adult with body mass index (bmi) 60 to 69.9 (finding)
  • Severely obese adult with body mass index (bmi) greater than 70 (finding)
Applies To
  • Severe obesity
Convert to ICD-10-CM: 278.01 converts approximately to:
  • 2014 ICD-10-CM E66.01 Morbid (severe) obesity due to excess calories
ICD-9-CM Volume 2 Index entries containing back-references to 278.01:
  • Constitutional - see also condition
  • Obesity (constitutional) (exogenous) (familial) (nutritional) (simple) 278.00
    • morbid 278.01
    • severe 278.01
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 278.01 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.