|  D12 |  | Benign neoplasm of colon, rectum, anus and anal canal  | 
	
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		| Excludes2 | benign carcinoid tumors of the large intestine and rectum (D3A.02-) polyp of colon NOS (K63.5)
 
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		|  D12.0 |  | Benign neoplasm of cecum |  
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| Benign neoplasm of ileocecal valve |  |  | 
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		|  D12.1 |  | Benign neoplasm of appendix |  
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		| Excludes1 | benign carcinoid tumor of the appendix (D3A.020) 
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		|  D12.2 |  | Benign neoplasm of ascending colon |  | 
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		|  D12.3 |  | Benign neoplasm of transverse colon |  
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| Benign neoplasm of hepatic flexure |  | Benign neoplasm of splenic flexure |  |  | 
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		|  D12.4 |  | Benign neoplasm of descending colon |  | 
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		|  D12.5 |  | Benign neoplasm of sigmoid colon |  | 
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		|  D12.6 |  | Benign neoplasm of colon, unspecified |  
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| Adenomatosis of colon |  | Benign neoplasm of large intestine NOS |  | Polyposis (hereditary) of colon |  
		| Excludes2 | inflammatory polyp of colon (K51.4-) 
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		|  D12.7 |  | Benign neoplasm of rectosigmoid junction |  | 
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		|  D12.8 |  | Benign neoplasm of rectum |  
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		| Excludes1 | benign carcinoid tumor of the rectum (D3A.026) 
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		|  D12.9 |  | Benign neoplasm of anus and anal canal |  
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| Benign neoplasm of anus NOS |  
		| Excludes1 | benign neoplasm of anal margin (D22.5, D23.5) benign neoplasm of anal skin (D22.5, D23.5)
 benign neoplasm of perianal skin (D22.5, D23.5)
 
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