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K91.1

✓ Billable

Postgastric surgery syndromes

Diseases of the digestive system (K00-K95)

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Also Known As

Dumping syndromePostgastrectomy syndromePostvagotomy syndrome

⚠️ Excludes2

inherited from K91

Rules from parent category K91: Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified

  • • 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)

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Code Information

CodeK91.1
BillableYes
ParentK91
CategoryDiseases of the digestive system (K00-K95)
Excludes10 rule(s)
Excludes27 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)