MCMCB Pro
K50.019

K50.019Crohn's disease of small intestine with unspecified complications

Billable / specific codeICD-10-CM

K50.019 is a billable, specific ICD-10-CM code for crohn's disease of small intestine with unspecified complications. It is valid for submission on a claim.

Risk adjustment

K50.019 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 80 Crohn's Disease (Regional Enteritis)0.550 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

K50.019 is named in 17 Medicare coverage policies 17 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52423Billing and Coding: Infliximab and biosimilars
  • A52423Billing and Coding: Infliximab and biosimilars
  • A56394Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic
  • A56416Billing and Coding: Assays for Vitamins and Metabolic Function

How K50.019 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to K50.019.

  • Enteritisregionalsmall intestinewithcomplication

Related codes at this level

Codes that share K50.01. If K50.019 is not quite right, the correct code is usually one of these.

Questions about K50.019

Is K50.019 a billable ICD-10-CM code?
Yes. K50.019 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does K50.019 sit in the tabular list?
Diseases of the digestive system (K00-K95), in the block Noninfective enteritis and colitis (K50-K52).
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.