K913-char group
Postprocedural disorders of digestive system, not elsewhere classified
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Excl.: gastrojejunal ulcer (K28.-) radiation: colitis (K52.0) gastroenteritis (K52.0) proctitis (K62.7)
Codes within K91
K91.0Vomiting following gastrointestinal surgeryK91.1Postgastric surgery syndromesK91.2Postsurgical malabsorption, not elsewhere classifiedK91.3Postoperative intestinal obstructionK91.4Colostomy and enterostomy malfunctionK91.5Postcholecystectomy syndromeK91.8Other postprocedural disorders of digestive system, not elsewhere classifiedK91.9Postprocedural disorder of digestive system, unspecified