D12.6 is the authoritative medical code for Benign neoplasm of colon, unspecified. This classification is used in medical billing and clinical recording to specify the clinical criteria for benign neoplasm of colon, unspecified (ICD-10-CM D12.6), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Benign neoplasm of colon, unspecified is a billable ICD-10-CM diagnosis code D12.6. Inclusion terms: Adenomatosis of colon; Benign neoplasm of large intestine NOS; Polyposis hereditary of colon. Excludes2 (not included here): inflammatory polyp of colon K51.4-; benign carcinoid tumors of the large intestine and rectum D3A.02-; polyp of colon NOS K63.5.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for D12.6 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Adenomatosis of colon
- Benign neoplasm of large intestine NOS
- Polyposis hereditary of colon
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- inflammatory polyp of colon K51.4-
- benign carcinoid tumors of the large intestine and rectum D3A.02-
- polyp of colon NOS K63.5
Frequently Asked Questions (FAQ) & Clinical Guidance
Can D12.6 be reported alongside related conditions?
Per Excludes2 instructions, D12.6 and the following may both be reported when both are present: inflammatory polyp of colon (K51.4-); benign carcinoid tumors of the large intestine and rectum (D3A.02-); polyp of colon NOS (K63.5).
What conditions are included under D12.6?
Benign neoplasm of colon, unspecified includes: Adenomatosis of colon; Benign neoplasm of large intestine NOS; Polyposis (hereditary) of colon.
Codes in This Family (10)
Official ICD-10-CM classifications in the same code family as D12.6, with their registry titles.
- D12 — Benign neoplasm of colon, rectum, anus and anal canal
- D12.0 — Benign neoplasm of cecum
- D12.1 — Benign neoplasm of appendix
- D12.2 — Benign neoplasm of ascending colon
- D12.3 — Benign neoplasm of transverse colon
- D12.4 — Benign neoplasm of descending colon
- D12.5 — Benign neoplasm of sigmoid colon
- D12.7 — Benign neoplasm of rectosigmoid junction
- D12.8 — Benign neoplasm of rectum
- D12.9 — Benign neoplasm of anus and anal canal
Indexed Clinical Terms (9)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Adenomatosis, unspecified site
- Dysplasia, colon
- Dysplasia, high grade, focal
- Polyp, polypus, cecum, adenomatous
- Polyp, polypus, colon, adenomatous
- Polyposis, coli
- Polyposis, colon
- Polyposis, familial
- Polyposis, intestinal
Neoplasm Table Sites (2)
Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.
- Neoplasm, neoplastic, intestine, intestinal, large — Benign
- Neoplasm, neoplastic, intestine, intestinal, large, colon — Benign
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
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