2022 ICD-10-CM Code K90

Intestinal malabsorption

Version 2021

Not Valid for Submission

ICD-10:K90
Short Description:Intestinal malabsorption
Long Description:Intestinal malabsorption

Code Classification

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

K90 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of intestinal malabsorption. The code is not specific and is NOT valid for the year 2022 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding for Intestinal malabsorption

Non-specific codes like K90 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for intestinal malabsorption:

  • BILLABLE CODE - Use K90.0 for Celiac disease
  • BILLABLE CODE - Use K90.1 for Tropical sprue
  • BILLABLE CODE - Use K90.2 for Blind loop syndrome, not elsewhere classified
  • BILLABLE CODE - Use K90.3 for Pancreatic steatorrhea
  • NON-BILLABLE CODE - K90.4 for Other malabsorption due to intolerance
  • BILLABLE CODE - Use K90.41 for Non-celiac gluten sensitivity
  • BILLABLE CODE - Use K90.49 for Malabsorption due to intolerance, not elsewhere classified
  • NON-BILLABLE CODE - K90.8 for Other intestinal malabsorption
  • BILLABLE CODE - Use K90.81 for Whipple's disease
  • BILLABLE CODE - Use K90.89 for Other intestinal malabsorption
  • BILLABLE CODE - Use K90.9 for Intestinal malabsorption, unspecified

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code K90:


Type 1 Excludes

Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

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

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.


[Learn More in MedlinePlus]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)