K91.1

Postgastric surgery syndromes

Billable / specific

K91.1 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Dumping syndrome
  • Postgastrectomy syndrome
  • Postvagotomy syndrome

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from K91)
  • certain infectious and parasitic diseases (A00-B99) (from K91)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from K91)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) (from K91)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from K91)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from K91)
  • neoplasms (C00-D49) (from K91)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from K91)
  • complications of artificial opening of digestive system (K94.-) (from K91)
  • complications of bariatric procedures (K95.-) (from K91)
  • gastrojejunal ulcer (K28.-) (from K91)
  • postprocedural (radiation) retroperitoneal abscess (K68.11) (from K91)
  • radiation colitis (K52.0) (from K91)
  • radiation gastroenteritis (K52.0) (from K91)
  • radiation proctitis (K62.7) (from K91)

Also known as

  • Dumping syndrome
  • Postgastrectomy syndrome
  • Postvagotomy syndrome
  • Achlorhydria, achlorhydric, secondary to vagotomy
  • Complication, gastrointestinal, postoperative, dumping syndrome
  • Complication, surgical procedure, dumping syndrome
  • Complication, surgical procedure, postgastrectomy dumping syndrome
  • Complication, surgical procedure, postvagotomy syndrome
  • Diarrhea, diarrheal, postgastrectomy
  • Diarrhea, diarrheal, postvagotomy
  • Postgastrectomy dumping syndrome
  • Syndrome, dumping
  • Syndrome, postgastrectomy
  • Syndrome, postgastric surgery
  • Syndrome, postvagotomy

Parent code

  • K91Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classifiedHeader

Related codes

  • K91.0Vomiting following gastrointestinal surgeryBillable
  • K91.2Postsurgical malabsorption, not elsewhere classifiedBillable
  • K91.3Postprocedural intestinal obstructionHeader
  • K91.5Postcholecystectomy syndromeBillable
  • K91.6Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a procedureHeader
  • K91.7Accidental puncture and laceration of a digestive system organ or structure during a procedureHeader
  • K91.8Other intraoperative and postprocedural complications and disorders of digestive systemHeader

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