ICD-9 Diagnosis Code 278.00

Obesity NOS

Diagnosis Code 278.00

ICD-9: 278.00
Short Description: Obesity NOS
Long Description: Obesity, unspecified
This is the 2014 version of the ICD-9-CM diagnosis code 278.00

Code Classification
  • Endocrine, nutritional and metabolic diseases, and immunity disorders
    • Other metabolic disorders and immunity disorders (270-279)
      • 278 Obesity and other hyperalimentation

Information for Medical Professionals

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Index of Diseases and Injuries
References found for the code 278.00 in the Index of Diseases and Injuries:

Information for Patients


Obesity means having too much body fat. It is different from being overweight, which means weighing too much. The weight may come from muscle, bone, fat, and/or body water. Both terms mean that a person's weight is greater than what's considered healthy for his or her height.

Obesity occurs over time when you eat more calories than you use. The balance between calories-in and calories-out differs for each person. Factors that might affect your weight include your genetic makeup, overeating, eating high-fat foods, and not being physically active.

Being obese increases your risk of diabetes, heart disease, stroke, arthritis, and some cancers. If you are obese, losing even 5 to 10 percent of your weight can delay or prevent some of these diseases. For example, that means losing 10 to 20 pounds if you weigh 200 pounds.

NIH: National Institute of Diabetes and Digestive and Kidney Diseases

  • Body mass index
  • Obesity
  • Obesity hypoventilation syndrome (OHS)
  • Understanding Adult Overweight and Obesity - NIH (National Institute of Diabetes and Digestive and Kidney Diseases)

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