Specific code 2015 ICD-9-CM Diagnosis Code 278.00
Obesity, unspecified
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015
  • Questionable As Admission Dx

  • ICD-9-CM 278.00 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 278.00 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Convert to ICD-10-CM: 278.00 converts approximately to:
  • 2015/16 ICD-10-CM E66.9 Obesity, unspecified
Approximate Synonyms
  • 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 during childbirth
  • Maternal obesity in pregnancy
  • Obesity
  • Obesity (BMI 30-39.9)
  • 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 in childbirth
  • Obesity in pregnancy
  • Obesity of adult, BMI 30-34.9
  • Obesity of adult, BMI 35-39.9
  • Obesity peds (BMI >=95 percentile)
  • Obesity peds, BMI 95-99 percentile
  • Obesity, BMI 30-30.9, adult
  • Obesity, BMI 30-34.9, adult
  • Obesity, BMI 31-31.9, adult
  • Obesity, BMI 32-32.9, adult
  • Obesity, BMI 33-33.9, adult
  • Obesity, BMI 34-34.9, adult
  • Obesity, BMI 35-35.9, adult
  • Obesity, BMI 35-39.9, adult
  • Obesity, BMI 36-36.9, adult
  • Obesity, BMI 37-37.9, adult
  • Obesity, BMI 38-38.9, adult
  • Obesity, BMI 39-39.9, adult
  • Obesity, body mass index (bmi) 30-30.9
  • Obesity, body mass index (bmi) 30-39.9
  • 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
Clinical Information
  • Excessively high accumulation of body fat or adipose tissue in relation to lean body mass; the amount of body fat (or adiposity) includes concern for both the distribution of fat throughout the body and the size of the adipose tissue deposits; individuals are usually at high clinical risk because of excess amount of body fat (bmi greater than 30)
  • Having a high amount of body fat. A person is considered obese if they have a body mass index (bmi) of 30 or more
Applies To
  • Obesity NOS
ICD-9-CM Coding Information
  • 278.00 is not usually sufficient justification for admission to an acute care hospital when used a principal diagnosis.
ICD-9-CM Volume 2 Index entries containing back-references to 278.00:
  • Constitutional - see also condition
  • Obesity (constitutional) (exogenous) (familial) (nutritional) (simple) 278.00
    • complicating pregnancy, childbirth, or puerperium 649.1
    • due to hyperalimentation 278.00
    • Fröhlich's (adiposogenital dystrophy) 253.8
    • hypothyroid (see also Hypothyroidism) 244.9
    • hypoventilation syndrome 278.03
    • thyroid (see also Hypothyroidism) 244.9
  • Polysarcia 278.00
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 278.00 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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.