D12.6 Benign neoplasm of colon, unspecified
The ICD-10-CM code for Benign neoplasm of colon, unspecified is D12.6 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Chapter
- 2: Neoplasms (C00-D49)
- Section
- D10-D36: Benign neoplasms, except benign neuroendocrine tumors (D10-D36)
- Category D12
- 11 codes (10 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to D12.6:
- Adenomatosis › unspecified site
- Polyposis › familial
- Polyposis › intestinal
- Dysplasia › high grade, focal
- Polyposis › coli
- Dysplasia › colon
- Polyposis › colon
- Polyp, polypus › colon › adenomatous
Inclusion Terms
- Adenomatosis of colon
- Benign neoplasm of large intestine NOS
- Polyposis (hereditary) of colon
U.S. Hospital Utilization
- An estimated 7,705 U.S. inpatient stays in 2023 included D12.6 among the documented diagnoses.
- 1,460 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
Tx of primary site (TOC entry)a. Admission/Encounter for treatment of primary site ............................................................. 33
Tx of secondary site (TOC entry)b. Admission/Encounter for treatment of secondary site .......................................................... 33
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026