2013 ICD-9-CM Diagnosis Code 579.9
Unspecified intestinal malabsorption
- Malabsorption: decreased absorption of fat and other nutrients caused by liver, biliary, pancreatic or intestinal disease. The 72-hour fecal fat determination is the best single test for mal- absorption.
- impaired absorption of nutrients in the gastrointestinal tract.
- A group of symptoms such as gas, bloating, abdominal pain, and diarrhea resulting from the body's inability to properly absorb nutrients.
- ICD-9-CM 579.9 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
579.9 Alternative Terminology
Applies To
Convert 579.9 to ICD-10-CM 
ICD-9-CM Volume 2 Index entries containing back-references to 579.9:
absorption NEC 
vitamin (see also Deficiency, vitamin) 
