K91Header code — not billable
Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified
Short description: Intraop and postproc comp and disorders of dgstv sys, NEC
- Chapter
- 11. Diseases of the digestive system
- Category
- K91
- Effective date
- October 1, 2026
Related codes in category K91
K91.0Vomiting following gastrointestinal surgeryYesK91.1Postgastric surgery syndromesYesK91.2Postsurgical malabsorption, not elsewhere classifiedYesK91.3Postprocedural intestinal obstructionK91.30Postproc intestinal obst, unsp as to partial versus completeYesK91.31Postprocedural partial intestinal obstructionYesK91.32Postprocedural complete intestinal obstructionYesK91.5Postcholecystectomy syndromeYesK91.6Intraop hemor/hemtom of a dgstv sys org comp a procedureK91.61Intraop hemor/hemtom of dgstv sys org comp a dgstv sys procYesK91.62Intraop hemor/hemtom of a dgstv sys org comp oth procedureYesK91.7Accidental pnctr & lac of a digestive system org dur proc
Frequently asked questions
What is ICD-10 code K91?
K91 is an ICD-10-CM diagnosis code for Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified.
Is K91 a billable code?
No. K91 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is K91 in?
K91 falls under Chapter 11: Diseases of the digestive system.
When did K91 become effective?
K91 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to K91?
K91 belongs to category K91, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.