Emergency: 119
AMDA-IMIC

K57 Diverticular disease of intestine

Category / Non-billable header 32 subcodes

Block: Other diseases of intestines (K55-K64)

Excludes 1 (cannot be coded together)

  • congenital diverticulum of intestine (Q43.8)
  • Meckel's diverticulum (Q43.0)

Excludes 2 (not included here)

  • diverticulum of appendix (K38.2)

Code Also

  • if applicable:
  • pelvic abscess (K6A.0-)
  • peritonitis (K65.-)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
K57..0 Diverticulitis of small intestine with perforation and abscess No
K57..00 Diverticulitis of small intestine with perforation and abscess without bleeding Yes
K57..01 Diverticulitis of small intestine with perforation and abscess with bleeding Yes
K57..1 Diverticular disease of small intestine without perforation or abscess No
K57..10 Diverticulosis of small intestine without perforation or abscess without bleeding Yes
K57..11 Diverticulosis of small intestine without perforation or abscess with bleeding Yes
K57..12 Diverticulitis of small intestine without perforation or abscess without bleeding Yes
K57..13 Diverticulitis of small intestine without perforation or abscess with bleeding Yes
K57..2 Diverticulitis of large intestine with perforation and abscess No
K57..20 Diverticulitis of large intestine with perforation and abscess without bleeding Yes
K57..21 Diverticulitis of large intestine with perforation and abscess with bleeding Yes
K57..3 Diverticular disease of large intestine without perforation or abscess No
K57..30 Diverticulosis of large intestine without perforation or abscess without bleeding Yes
K57..31 Diverticulosis of large intestine without perforation or abscess with bleeding Yes
K57..32 Diverticulitis of large intestine without perforation or abscess without bleeding Yes
K57..33 Diverticulitis of large intestine without perforation or abscess with bleeding Yes
K57..4 Diverticulitis of both small and large intestine with perforation and abscess No
K57..40 Diverticulitis of both small and large intestine with perforation and abscess without bleeding Yes
K57..41 Diverticulitis of both small and large intestine with perforation and abscess with bleeding Yes
K57..5 Diverticular disease of both small and large intestine without perforation or abscess No
K57..50 Diverticulosis of both small and large intestine without perforation or abscess without bleeding Yes
K57..51 Diverticulosis of both small and large intestine without perforation or abscess with bleeding Yes
K57..52 Diverticulitis of both small and large intestine without perforation or abscess without bleeding Yes
K57..53 Diverticulitis of both small and large intestine without perforation or abscess with bleeding Yes
K57..8 Diverticulitis of intestine, part unspecified, with perforation and abscess No
K57..80 Diverticulitis of intestine, part unspecified, with perforation and abscess without bleeding Yes
K57..81 Diverticulitis of intestine, part unspecified, with perforation and abscess with bleeding Yes
K57..9 Diverticular disease of intestine, part unspecified, without perforation or abscess No
K57..90 Diverticulosis of intestine, part unspecified, without perforation or abscess without bleeding Yes
K57..91 Diverticulosis of intestine, part unspecified, without perforation or abscess with bleeding Yes
K57..92 Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding Yes
K57..93 Diverticulitis of intestine, part unspecified, without perforation or abscess with bleeding Yes

Plain-language terms for this code

The following entries in the US Medical Glossary correspond to ICD-10-CM category K57:

Last reviewed: September 2026