2026 ICD-10-CM Diagnosis Code D12Benign neoplasm of colon, rectum, anus and anal canal

ICD-10-CM Codes›C00–D49›D10-D36›D12

ICD-10-CM D12
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

D12 is a non-billable ICD-10-CM category code for benign neoplasm of colon, rectum, anus and anal canal, so it cannot be submitted on claims. Use a more specific code from this category instead, such as D12.0, D12.1, D12.2, and D12.3.

Code Identity

ICD-10-CM Code
D12
Billable Status
No — Non-Billable Category
Code Describes
Benign neoplasm of colon, rectum, anus and anal canal
Chapter
D10-D36
Benign neoplasms, except benign neuroendocrine tumors

Code Classification

ChapterC00–D49Neoplasms
SectionD10-D36Benign neoplasms, except benign neuroendocrine tumors
CategoryD12Benign neoplasm of colon, rectum, anus and anal canal
This CodeD12Benign neoplasm of colon, rectum, anus and anal canal

Specific Coding for Benign neoplasm of colon, rectum, anus and anal canalOverview

Non-specific codes like D12 require more characters. Use one of these billable codes instead:

  • Use D12.0 for Benign neoplasm of cecum

  • Use D12.1 for Benign neoplasm of appendix

  • Use D12.2 for Benign neoplasm of ascending colon

  • Use D12.3 for Benign neoplasm of transverse colon

  • Use D12.4 for Benign neoplasm of descending colon

  • Use D12.5 for Benign neoplasm of sigmoid colon

  • Use D12.6 for Benign neoplasm of colon, unspecified

  • Use D12.7 for Benign neoplasm of rectosigmoid junction

  • Use D12.8 for Benign neoplasm of rectum

  • Use D12.9 for Benign neoplasm of anus and anal canal

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 2 Excludes

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

Patient EducationClinical

Anal Disorders

Your anus is the opening at the end of your large intestine. It is where stool (poop) leaves your body.

The full article covers:

  • What is the anus?
  • What are anal disorders?
  • What are the symptoms of anal disorders?
  • How are anal disorders diagnosed?
  • How are anal disorders treated?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About D12Overview

Is D12 (Benign neoplasm of colon, rectum, anus and anal canal) a billable code?

No. This is a category header that groups the codes for benign neoplasm of colon, rectum, anus and anal canal, and headers cannot be submitted on claims. Claims for benign neoplasm of colon, rectum, anus and anal canal need a more specific code from this category, such as D12.0, D12.1, and D12.2.