ICD-10-CM > K00-K95 > K55-K64 > K57 > K57.8 K57.8 Diverticulitis of intestine, part unspecified, with perforation and abscess Non-Billable/Non-Specific Codes K57.80Diverticulitis of intestine, part unspecified, with perforation and abscess without bleedingK57.81Diverticulitis of intestine, part unspecified, with perforation and abscess with bleeding