D12.6 Benign neoplasm of colon, unspecified

Billable ICD-10-CM code, FY2026.

Applicable to

• Adenomatosis of colon
• Benign neoplasm of large intestine NOS
• Polyposis (hereditary) of colon

Excludes2 (not included here)

• inflammatory polyp of colon (K51.4-)

Applies from D12 Benign neoplasm of colon, rectum, anus and anal canal

Excludes2 (not included here)

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

MS-DRG index

Defines the logic of DRG(s) 393-395 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 211.3 Benign neoplasm of colon (approximate)

Code annotations containing back-references to D12.6

Back-references to D12.6

• Code Also: D13.91 Familial adenomatous polyposis ("benign neoplasm of colon (D12.6)")
• Type 2 Excludes: K51.4 Inflammatory polyps of colon ("adenomatous polyp of colon (D12.6)")
• Type 2 Excludes: K51.4 Inflammatory polyps of colon ("polyposis of colon (D12.6)")
• Type 2 Excludes: K63.5 Polyp of colon ("polyposis of colon (D12.6)")

Back-references to D12

• Type 2 Excludes: K63.5 Polyp of colon ("adenomatous polyp of colon (D12.-)")

Diagnosis Index entries for D12.6

• Adenomatosis › unspecified site
• Dysplasia › colon
• Dysplasia › high grade, focal
• Polyp, polypus › colon › adenomatous
• Polyposis › coli
• Polyposis › colon
• Polyposis › familial
• Polyposis › intestinal

Nearby codes

• 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
• D12.6 Benign neoplasm of colon, unspecified (this code)
• D12.7 Benign neoplasm of rectosigmoid junction
• D12.8 Benign neoplasm of rectum
• D12.9 Benign neoplasm of anus and anal canal