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D12.8

D12.8: Benign neoplasm of rectum

Billable / specific codeICD-10-CM

D12.8 is a billable, specific ICD-10-CM code for benign neoplasm of rectum. It is valid for submission on a claim.

Check D12.8 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.

  • benign carcinoid tumor of the rectum (D3A.026)

Excludes2 inherited from the categories above D12.8

Not part of this code, but both may be coded when both are present.

Written on D12: Benign neoplasm of colon, rectum, anus and anal canal

  • benign carcinoid tumors of the large intestine and rectum (D3A.02-)
  • polyp of colon NOS (K63.5)

Other codes that can never be billed with D12.8

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

Risk adjustment

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

Medicare coverage

D12.8 is named in 14 Medicare coverage policies: 14 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
  • A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under D12

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.