ICD-10 Diagnosis Code K90.9

Intestinal malabsorption, unspecified

Diagnosis Code K90.9

ICD-10: K90.9
Short Description: Intestinal malabsorption, unspecified
Long Description: Intestinal malabsorption, unspecified
This is the 2017 version of the ICD-10-CM diagnosis code K90.9

Valid for Submission
The code K90.9 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the digestive system (K00–K93)
    • Other diseases of the digestive system (K90-K95)
      • Intestinal malabsorption (K90)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code K90.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v33.0)

  • ESOPHAGITIS, GASTROENTERITIS AND MISCELLANEOUS DIGESTIVE DISORDERS WITH MCC 391
  • ESOPHAGITIS, GASTROENTERISTIS AND MISCELLANEOUS DIGESTIVE DISORDERS WITHOUT MCC 392

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
  • 579.9 - Intest malabsorption NOS

Synonyms
  • Folate deficiency anemia due to malabsorption
  • Hyperparathyroidism due to intestinal malabsorption
  • Intestinal malabsorption
  • Malabsorption caused by infective agent
  • Malabsorption syndrome
  • Megaloblastic anemia due to impaired absorption of folate
  • Post-infective malabsorption
  • Primary malabsorption of infancy

Information for Patients


Malabsorption Syndromes

Your small intestine does most of the digesting of the foods you eat. If you have a malabsorption syndrome, your small intestine cannot absorb nutrients from foods.

Causes of malabsorption syndromes include

  • Celiac disease
  • Lactose intolerance
  • Short bowel syndrome. This happens after surgery to remove half or more of the small intestine. You might need the surgery if you have a problem with the small intestine from a disease, injury, or birth defect.
  • Whipple disease, a rare bacterial infection
  • Genetic diseases
  • Certain medicines

Symptoms of different malabsorption syndromes can vary. They often include chronic diarrhea, abnormal stools, weight loss, and gas. Your doctor may use lab, imaging, or other tests to make a diagnosis.

Treatment of malabsorption syndromes depends on the cause.

  • Blind loop syndrome
  • D-xylose absorption
  • Fecal fat
  • Lower GI Series - NIH (National Institute of Diabetes and Digestive and Kidney Diseases)
  • Malabsorption
  • Short bowel syndrome
  • Small bowel bacterial overgrowth
  • Stools - floating
  • Whipple's Disease - NIH (National Institute of Diabetes and Digestive and Kidney Diseases)
  • Whipple's disease


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