Alphabetic Index FY2027

K57

Diverticular disease of intestine

FY2027Chapter 11: Diseases of the digestive system/K55–K64 Other diseases of intestines

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

K57 is a non-billable ICD-10-CM code category for diverticular disease of intestine. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are K57.0 Diverticulitis of small intestine with perforation and abscess, K57.1 Diverticular disease of small intestine without perforation or abscess, K57.2 Diverticulitis of large intestine with perforation and abscess, K57.3 Diverticular disease of large intestine without perforation or abscess and 4 more. Its coding notes include a Code also instruction, 2 Excludes1 entries and 9 Excludes2 entries.

Code also

Two codes may be needed to describe the condition. This note gives no sequencing order.

This code
  • if applicable:

Excludes1

Not coded here. The listed conditions generally should not be reported together.

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

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

This code
  • diverticulum of appendix (K38.2)
Also from chapter/block level (8 notes)
Inherited from Chapter 11 Diseases of the digestive system
  • 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)

More specific codes under K57 8