ICD-10 Diagnosis Code K90.49

Malabsorption due to intolerance, not elsewhere classified

Diagnosis Code K90.49

ICD-10: K90.49
Short Description: Malabsorption due to intolerance, not elsewhere classified
Long Description: Malabsorption due to intolerance, not elsewhere classified
This is the 2018 version of the ICD-10-CM diagnosis code K90.49

Valid for Submission
The code K90.49 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 K90.49 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)

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

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.

Synonyms
  • D-Xylose intolerance
  • Exudative enteropathy
  • Finding of D-Xylose tolerance
  • Food intolerance
  • Food intolerance
  • Gastrointestinal tolerance finding
  • Impaired intestinal fat absorption
  • Impaired intestinal protein absorption
  • Infant formula intolerance
  • Intestinal malabsorption
  • Intestinal malabsorption
  • Intestinal malabsorption of carbohydrate
  • Intestinal malabsorption of fat
  • Intestinal malabsorption of protein
  • Malabsorption caused by intolerance to carbohydrate
  • Malabsorption caused by intolerance to fat
  • Malabsorption caused by intolerance to protein
  • Malabsorption caused by intolerance to soy protein
  • Milk intolerance
  • Protein malabsorption
  • Protein-losing enteropathy
  • Syndrome of carbohydrate intolerance
  • Wheat intolerance

Index of Diseases and Injuries
References found for the code K90.49 in the Index of Diseases and Injuries:


Replacement Code Additional informationCallout TooltipReplacement Code
The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2017. This is a new and revised code for the FY 2018 (October 1, 2017-September 30, 2018).

This code replaces the following previously assigned ICD-10 code(s) listed below:
  • K90.4 - Malabsorption due to intolerance, not elsewhere classified
  • K90.4 - Other malabsorption due to intolerance


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


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