DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

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

  • Header · not billable

D12 is not billable. The category heads 10 billable codes in FY2027: the 10 codes directly below it.

Index → code

  • Polyposiscoli → D12.6
  • Dysplasiacolon → D12.6
  • Polyposiscolon → D12.6

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. D10-D36 Benign neoplasms, except benign neuroendocrine tumors (D10-D36)
  3. D12 Benign neoplasm of colon, rectum, anus and anal canal
Billable codes
10
Subdivisions
10
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
14

Codes in D12

  1. D12.0
    Benign neoplasm of cecum
    Billable
    Inclusion terms 1

    Inclusion terms

    • Benign neoplasm of ileocecal valve
  2. D12.1
    Benign neoplasm of appendix
    Billable
    Excludes1 1

    Excludes1

    • benign carcinoid tumor of the appendix (D3A.020) D3A.020
  3. D12.2
    Benign neoplasm of ascending colon
    Billable
  4. D12.3
    Benign neoplasm of transverse colon
    Billable
    Inclusion terms 2

    Inclusion terms

    • Benign neoplasm of hepatic flexure
    • Benign neoplasm of splenic flexure
  5. D12.4
    Benign neoplasm of descending colon
    Billable
  6. D12.5
    Benign neoplasm of sigmoid colon
    Billable
  7. D12.6
    Benign neoplasm of colon, unspecified
    Billable
    Inclusion terms 3, Excludes2 1

    Inclusion terms

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

    Excludes2

    • inflammatory polyp of colon (K51.4-) K51.4
  8. D12.7
    Benign neoplasm of rectosigmoid junction
    Billable
  9. D12.8
    Benign neoplasm of rectum
    Billable
    Excludes1 1

    Excludes1

    • benign carcinoid tumor of the rectum (D3A.026) D3A.026
  10. D12.9
    Benign neoplasm of anus and anal canal
    Billable
    Inclusion terms 1, Excludes1 3

    Inclusion terms

    • Benign neoplasm of anus NOS

    Excludes1

    • benign neoplasm of anal margin (D22.5, D23.5) D22.5 D23.5
    • benign neoplasm of anal skin (D22.5, D23.5) D22.5 D23.5
    • benign neoplasm of perianal skin (D22.5, D23.5) D22.5 D23.5

Sources of each column.

Instructions

At D12

Excludes2

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

Notes that also apply

Chapter 2 instructions (Notes 8): printed on the chapter 2 page.

Index entries

  • Adenomatosisunspecified site → D12.6
  • Dysplasiacolon → D12.6
  • Dysplasiahigh grade, focal → D12.6
  • Polyposiscoli → D12.6
  • Polyposiscolon → D12.6
  • Polyposisfamilial → D12.6
  • Polyposisintestinal → D12.6
  • Polyp, polypuscecumadenomatous → D12.6
  • Polyp, polypuscolonadenomatous → D12.6
  • Polyp, polypuscolonadenomatouscecum → D12.0
  • Polyp, polypuscolonadenomatousascending → D12.2
  • Polyp, polypuscolonadenomatoustransverse → D12.3
  • Polyp, polypuscolonadenomatousdescending → D12.4
  • Polyp, polypuscolonadenomatoussigmoid → D12.5

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