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K91Non-billableSave

K91 - Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified

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

K91 is a non-billable heading. Report one of the 8 more specific codes below.

Includes, Excludes and Coding Notes

Excludes 2 — Not Included HereFrom K91

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

  • complications of artificial opening of digestive system (K94.-)
  • complications of bariatric procedures (K95.-)
  • gastrojejunal ulcer (K28.-)
  • postprocedural (radiation) retroperitoneal abscess (K68.11)
  • radiation colitis (K52.0)
  • radiation gastroenteritis (K52.0)
  • radiation proctitis (K62.7)
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 (8)

K91.0Vomiting following gastrointestinal surgery→K91.1Postgastric surgery syndromes→K91.2Postsurgical malabsorption, not elsewhere classified→K91.3Postprocedural intestinal obstruction→K91.5Postcholecystectomy syndrome→K91.6Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a procedure→K91.7Accidental puncture and laceration of a digestive system organ or structure during a procedure→K91.8Other intraoperative and postprocedural complications and disorders of digestive system→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with K91.