K91.89

Billable
ChapterK00–K95
Ranksubcategory
Official Description

Other postprocedural complications and disorders of digestive system

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 11: Diseases of the Digestive System (K00-K95).

Instructional Notes

Excludes2(Not included here)
  • postprocedural retroperitoneal abscess (K68.11)
Use Additional Code
  • code, if applicable, to further specify disorder
General instructions are available for the parent sections:
View CH11 NotesView K91 Notes

Clinical Hierarchy

CH11Diseases of the digestive system (K00-K95)
K90-K95Other diseases of the digestive system (K90-K95)
K91Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified
K91.8Other intraoperative and postprocedural complications and disorders of digestive system
K91.89Other postprocedural complications and disorders of digestive system

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K91.89:

categoryK91
Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified
View context instructions
chapterCH11
Diseases of the digestive system (K00-K95)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to K91.89. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

14 raw paths
Anastomosis1 unique routes
intestinal
complicated NEC→K91.89
Complication (s) (from) (of)3 unique routes
anastomosis (and bypass)
intestinal (internal) NEC→K91.89
gastrointestinal
postoperative
specified NEC→K91.89
postprocedural
specified NEC
digestive→K91.89
Diarrhea, diarrheal (disease) (infantile) (inflammatory)1 unique routes
functional
following gastrointestinal surgery→K91.89
Difficult, difficulty (in)1 unique routes
mechanical, gastroduodenal stoma→K91.89
Disorder (of)1 unique routes
intestine, intestinal
functional NEC
postoperative→K91.89
Ileus (bowel) (colon) (inhibitory) (intestine)1 unique routes
postoperative→K91.89
Parotitis, parotiditis (allergic)(nonspecific toxic) (purulent) (septic) (suppurative)2 unique routes
postoperative→K91.89
surgical→K91.89
Stricture2 unique routes
bile duct (common) (hepatic)
postoperative→K91.89
rectum (sphincter)
due to
irradiation→K91.89
Syndrome2 unique routes
afferent loop NEC→K91.89
gastrojejunal loop obstruction→K91.89

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 393
Other Digestive System Diagnoses with MCC
DRG 394
Other Digestive System Diagnoses with CC
DRG 395
Other Digestive System Diagnoses without CC/MCC
DRG 791
Prematurity with Major Problems
DRG 793
Full Term Neonate with Major Problems

Cross Reference

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