Specific code 2014 ICD-9-CM Diagnosis Code 278.03
Obesity hypoventilation syndrome
  • Billable Code
  • Short description: Obesity hypovent synd.
  • ICD-9-CM 278.03 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 278.03 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Extreme obesity with alveolar hypoventilation
  • Pickwickian syndrome
Clinical Information
  • Hypoventilation syndrome in very obese persons with excessive adipose tissue around the abdomen and diaphragm. It is characterized by diminished to absent ventilatory chemoresponsiveness; chronic hypoxia; hypercapnia; polycythemia; and long periods of sleep during day and night (hypersomnolence). It is a condition often related to obstructive sleep apnea but can occur separately.
Applies To
  • Pickwickian syndrome
Convert to ICD-10-CM: 278.03 converts directly to:
  • 2014 ICD-10-CM E66.2 Morbid (severe) obesity with alveolar hypoventilation
ICD-9-CM Volume 2 Index entries containing back-references to 278.03:
  • Hypoventilation 786.09
    • obesity 278.03
  • Obesity (constitutional) (exogenous) (familial) (nutritional) (simple) 278.00
    • hypoventilation syndrome 278.03
  • Pickwickian syndrome (cardiopulmonary obesity) 278.03
  • Syndrome - see also Disease
    • cardiopulmonary obesity 278.03
    • obesity hypoventilation 278.03
    • Pickwickian (cardiopulmonary obesity) 278.03
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 278.03 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.