ICD-10-CM K90: Intestinal malabsorption

ICD-10-CM Diagnosis Code (2025)

Official Description for K90

Intestinal malabsorption

Coding Notes & Guidelines for K90

Excludes1: Not Coded Here

intestinal malabsorption following gastrointestinal surgery (K91.2)

Excludes1: Not Coded Here
  • congenital blind loop syndrome (Q43.8)
  • postsurgical blind loop syndrome (K91.2)
Excludes2: Not Included Here
  • celiac gluten-sensitive enteropathy (K90.0)
  • lactose intolerance (E73.-)
Use Additional Code
  • code for associated disorders including:
  • dermatitis herpetiformis (L13.0)
  • gluten ataxia (G32.81)
Inclusion Terms
  • Celiac disease with steatorrhea
  • Celiac gluten-sensitive enteropathy
  • Nontropical sprue
Inclusion Terms
  • Sprue NOS
  • Tropical steatorrhea
Inclusion Terms

Blind loop syndrome NOS

Inclusion Terms
  • Gluten sensitivity NOS
  • Non-celiac gluten sensitive enteropathy
Inclusion Terms
  • Malabsorption due to intolerance to carbohydrate
  • Malabsorption due to intolerance to fat
  • Malabsorption due to intolerance to protein
  • Malabsorption due to intolerance to starch
Inclusion Terms

Short gut syndrome

Inclusion Terms

Short bowel syndrome with colonic continuity

Inclusion Terms

Short bowel syndrome without colonic continuity

Code Also

exocrine pancreatic insufficiency (K86.81)

Child Codes (More Specific Codes for K90):

K90.0 - Celiac disease K90.1 - Tropical sprue K90.2 - Blind loop syndrome, not elsewhere classified K90.3 - Pancreatic steatorrhea K90.4 - Other malabsorption due to intolerance K90.41 - Non-celiac gluten sensitivity K90.49 - Malabsorption due to intolerance, not elsewhere classified K90.8 - Other intestinal malabsorption K90.81 - Whipple's disease K90.82 - Short bowel syndrome K90.821 - Short bowel syndrome with colon in continuity K90.822 - Short bowel syndrome without colon in continuity K90.829 - Short bowel syndrome, unspecified K90.83 - Intestinal failure K90.89 - Other intestinal malabsorption K90.9 - Intestinal malabsorption, unspecified

About ICD-10-CM Code K90 (Intestinal malabsorption)

ICD-10-CM code K90 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM K90 became effective on October 1, 2024.

This page provides detailed information about K90 - Intestinal malabsorption. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Intestinal malabsorption.