ICD-10-CM 2027
ICD-10 code for colon nontraumatic rupture
Perforation of intestine (nontraumatic)
From the official ICD-10-CM alphabetic index entry “Rupture, ruptured › colon (nontraumatic)”. Page updated September 29, 2026.
About coding colon nontraumatic rupture
The ICD-10-CM code for colon nontraumatic rupture is K63.1 (Perforation of intestine (nontraumatic)).
Within K63 (other diseases of intestine), K63.1 is specifically for perforation of intestine (nontraumatic). Related codes cover abscess of intestine (K63.0), fistula of intestine (K63.2), ulcer of intestine (K63.3), Enteroptosis (K63.4), polyp of colon (K63.5), other specified diseases of intestine (K63.8) and disease of intestine, unspecified (K63.9).
Don't report K63.1 together with the conditions in its Excludes1 note: perforation (nontraumatic) of duodenum (K26.-) and perforation (nontraumatic) of intestine with diverticular disease (K57.0, K57.2, K57.4, K57.8).
The conditions in its Excludes2 note aren't part of K63.1, but may be coded alongside it if the patient has both: perforation (nontraumatic) of appendix (K35.2-, K35.3-).
More specific colon nontraumatic rupture codes (official index)
- traumatic
Don't confuse with (Excludes1 for K63.1)
Common questions about colon nontraumatic rupture ICD-10 codes
What is the ICD-10 code for colon nontraumatic rupture?
- K63.1 — Perforation of intestine (nontraumatic).
Is K63.1 billable?
- Yes. K63.1 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can K63.1 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict K63.1 as a principal diagnosis.
Is K63.1 a CC or MCC?
- K63.1 is an MCC (major complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.