K91.85
Complications of intestinal pouch
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 15 never code together
K91code
Excludes2
- complications of artificial opening of digestive system (K94.-)K94.-
- complications of bariatric procedures (K95.-)K95.-
- gastrojejunal ulcer (K28.-)K28.-
- postprocedural (radiation) retroperitoneal abscess (K68.11)K68.11
- radiation colitis (K52.0)K52.0
- radiation gastroenteritis (K52.0)K52.0
- radiation proctitis (K62.7)K62.7
K00-K95chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes
No further instructional notes apply.
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 7 same parent — K91.8
K91.81 Other intraoperative complications of digestive system K91.82 Postprocedural hepatic failure K91.83 Postprocedural hepatorenal syndrome K91.84 Postproc hemorrhage of a dgstv sys org following a procedure category K91.86 Retained cholelithiasis following cholecystectomy K91.87 Postproc hematoma and seroma of a dgstv sys org fol a proc category K91.89 Oth postprocedural complications and disorders of dgstv sys
Subordinate codes 2
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.