K63.1
Perforation of intestine (nontraumatic)
Risk-adjusting (HCC)Billable code
HCC risk adjustment mapping
CMS-HCC V28
HCC78
Intestinal Obstruction/Perforation
CMS-HCC ESRD V24
HCC33
Intestinal Obstruction/Perforation
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
This code · K63.1
Inherited from chapter 11Diseases of the digestive system
Excludes 2
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)
Official Guidelines for K63.1
FY 2026 ›Find K63.1 in the alphabetic index
18 index paths lead to this code
- Perforation, perforated › bowel
- Perforation, perforated › colon
- Perforation, perforated › ileum
- Perforation, perforated › intestine NEC
- Perforation, perforated › jejunum, jejunal
- Perforation, perforated › rectum
- Perforation, perforated › sigmoid
- Rupture, ruptured › bowel
- Rupture, ruptured › colon
- Rupture, ruptured › intestine NEC
- Rupture, ruptured › rectum
- Rupture, ruptured › sigmoid
- Perforation, perforated › intestine NEC › ulcerative NEC
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative › intestine, intestinal › with perforation
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative › intestine, intestinal › perforating
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative › primary of intestine › with perforation
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative › rectosigmoid › with perforation
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative › stercoraceous, stercoral › with perforation