K59.9 Functional intestinal disorder, unspecified
ICD-10-CM · CMS code reference
Official ICD-10-CM description: Functional intestinal disorder, unspecified
Related codes
K59.00Constipation, unspecified ICD-10-CMK59.01Slow transit constipation ICD-10-CMK59.02Outlet dysfunction constipation ICD-10-CMK59.03Drug induced constipation ICD-10-CMK59.04Chronic idiopathic constipation ICD-10-CMK59.09Other constipation ICD-10-CMK59.1Functional diarrhea ICD-10-CMK59.2Neurogenic bowel, not elsewhere classified ICD-10-CM
Common questions
Is K59.9 a billable code?
Yes. K59.9 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.