K90
Intestinal malabsorption
Non-billable headerNot valid on its own. Use one of the more specific codes under it.
K90 is a non-billable ICD-10-CM code category for intestinal malabsorption. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are K90.0 Celiac disease; K90.1 Tropical sprue; K90.2 Blind loop syndrome, not elsewhere classified; K90.3 Pancreatic steatorrhea and 3 more. Its coding notes include 1 Excludes1 entry and 8 Excludes2 entries.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
This code
- intestinal malabsorption following gastrointestinal surgery (K91.2)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (8 notes)
Inherited from Chapter 11 Diseases of the digestive system
- 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)