MCMCB Pro
K57.5

K57.5Diverticular disease of both small and large intestine without perforation or abscess

Non-billable headerICD-10-CM

K57.5 is a non-billable header ICD-10-CM code for diverticular disease of both small and large intestine without perforation or abscess. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with K57.5

These codes carry an Excludes1 note pointing at K57.5. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading K57.5 alone.

  • K57.1Diverticular disease of small intestine without perforation or abscess
  • K57.3Diverticular disease of large intestine without perforation or abscess

Risk adjustment

K57.5 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead K57.5

4 child codes. Green means billable.

Related codes at this level

Codes that share K57. If K57.5 is not quite right, the correct code is usually one of these.

Questions about K57.5

Is K57.5 a billable ICD-10-CM code?
No. K57.5 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does K57.5 sit in the tabular list?
Diseases of the digestive system (K00-K95), in the block Other diseases of intestines (K55-K64).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.