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K90Non-billableSave

K90 - Intestinal malabsorption

ICD-10-CM Chapter 11: Diseases of the digestive system · K90-K95 Other diseases of the digestive system (K90-K95) · Top-level category · FY2027

Coding Guidance

K90 is a non-billable heading. Report one of the 7 more specific codes below.

Includes, Excludes and Coding Notes

Excludes 1 — Not Coded HereFrom K90

Mutually exclusive: these conditions are never reported together with this code.

  • intestinal malabsorption following gastrointestinal surgery (K91.2)
Excludes 2 — Not Included HereFrom Chapter K00-K95

Not part of this code; report both codes when the patient has both conditions.

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

More Specific Codes (7)

K90.0Celiac disease→K90.1Tropical sprue→K90.2Blind loop syndrome, not elsewhere classified→K90.3Pancreatic steatorrhea→K90.4Other malabsorption due to intolerance→K90.8Other intestinal malabsorption→K90.9Intestinal malabsorption, unspecified→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with K90.