2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Endocrine, Nutritional And Metabolic Diseases, And Immunity Disorders 240-279 > Other Metabolic Disorders And Immunity Disorders 270-279 > Overweight, Obesity And Other Hyperalimentation 278.* > 2008 ICD-9-CM Diagnosis 278.01 Morbid obesity  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 278.01 can be accessed here. The condition of weighing two, three, or more times the ideal weight, so called because it is associated with many serious and life-threatening disorders. 278.01 is a specific code that can be used to specify a diagnosis 278.01 contains 3 index entries View the ICD-9-CM Volume 1 278.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 278.01 also known as: Severe obesity Index entries containing 278.01: Constitutional - see also condition obesity 278.00 morbid 278.01 Obesity (constitutional) (exogenous) (familial) (nutritional) (simple) 278.00 morbid 278.01 severe 278.01