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R19.4

R19.4: Change in bowel habit

Billable / specific codeICD-10-CM

R19.4 is a billable, specific ICD-10-CM code for change in bowel habit. It is valid for submission on a claim.

Check R19.4 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

Excludes1 inherited from the categories above R19.4

A category’s note binds every code beneath it.

Written on R19: Other symptoms and signs involving the digestive system and abdomen

Other codes that can never be billed with R19.4

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • K59Other functional intestinal disorders

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

R19.4 is named in 6 Medicare coverage policies: 6 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A55937Billing and Coding: Diagnostic Colonoscopy
  • A56394Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic
  • A56456Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
  • A56632Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy

Alphabetic index entries that lead here

  • Change›bowel habit

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under R19

ICD-10-CMFY2027· effective October 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.