C7A | 
		  | 
		Malignant neuroendocrine tumors   | 
	
	
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		| CodeAlso | 
		any associated multiple endocrine neoplasia [MEN] syndromes (E31.2-)
  | 
	 
	
		| UseAdditionalCode | 
		code to identify any associated endocrine syndrome, such as: carcinoid syndrome (E34.00)
  | 
	 
	
		| Excludes2 | 
		malignant pancreatic islet cell tumors (C25.4) Merkel cell carcinoma (C4A.-)
  | 
	 
 
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		 C7A.0 | 
		 | 
		Malignant carcinoid tumors | 
	 
 |  | 
	
		 C7A.00 | 
		 | 
		Malignant carcinoid tumor of unspecified site | 
	 
  |   |  | 
	
		 C7A.01 | 
		 | 
		Malignant carcinoid tumors of the small intestine | 
	 
 |  | 
	
		 C7A.010 | 
		 | 
		Malignant carcinoid tumor of the duodenum | 
	 
  |   |  | 
	
		 C7A.011 | 
		 | 
		Malignant carcinoid tumor of the jejunum | 
	 
  |   |  | 
	
		 C7A.012 | 
		 | 
		Malignant carcinoid tumor of the ileum | 
	 
  |   |  | 
	
		 C7A.019 | 
		 | 
		Malignant carcinoid tumor of the small intestine, unspecified portion | 
	 
  |    |   |  | 
	
		 C7A.02 | 
		 | 
		Malignant carcinoid tumors of the appendix, large intestine, and rectum | 
	 
 |  | 
	
		 C7A.020 | 
		 | 
		Malignant carcinoid tumor of the appendix | 
	 
  |   |  | 
	
		 C7A.021 | 
		 | 
		Malignant carcinoid tumor of the cecum | 
	 
  |   |  | 
	
		 C7A.022 | 
		 | 
		Malignant carcinoid tumor of the ascending colon | 
	 
  |   |  | 
	
		 C7A.023 | 
		 | 
		Malignant carcinoid tumor of the transverse colon | 
	 
  |   |  | 
	
		 C7A.024 | 
		 | 
		Malignant carcinoid tumor of the descending colon | 
	 
  |   |  | 
	
		 C7A.025 | 
		 | 
		Malignant carcinoid tumor of the sigmoid colon | 
	 
  |   |  | 
	
		 C7A.026 | 
		 | 
		Malignant carcinoid tumor of the rectum | 
	 
  |   |  | 
	
		 C7A.029 | 
		  | 
		Malignant carcinoid tumor of the large intestine, unspecified portion | 
	 
	
		 |  | 
		
| Malignant carcinoid tumor of the colon NOS |   
 | 
	   |    |   |  | 
	
		 C7A.09 | 
		 | 
		Malignant carcinoid tumors of other sites | 
	 
 |  | 
	
		 C7A.090 | 
		 | 
		Malignant carcinoid tumor of the bronchus and lung | 
	 
  |   |  | 
	
		 C7A.091 | 
		 | 
		Malignant carcinoid tumor of the thymus | 
	 
  |   |  | 
	
		 C7A.092 | 
		 | 
		Malignant carcinoid tumor of the stomach | 
	 
  |   |  | 
	
		 C7A.093 | 
		 | 
		Malignant carcinoid tumor of the kidney | 
	 
  |   |  | 
	
		 C7A.094 | 
		 | 
		Malignant carcinoid tumor of the foregut, unspecified | 
	 
  |   |  | 
	
		 C7A.095 | 
		 | 
		Malignant carcinoid tumor of the midgut, unspecified | 
	 
  |   |  | 
	
		 C7A.096 | 
		 | 
		Malignant carcinoid tumor of the hindgut, unspecified | 
	 
  |   |  | 
	
		 C7A.098 | 
		 | 
		Malignant carcinoid tumors of other sites | 
	 
  |    |    | 
 |  | 
	
		 C7A.1 | 
		  | 
		Malignant poorly differentiated neuroendocrine tumors | 
	 
	
		 |  | 
		
| Malignant poorly differentiated neuroendocrine tumor NOS |  | Malignant poorly differentiated neuroendocrine carcinoma, any site |  | High grade neuroendocrine carcinoma, any site |   
 | 
	   | 
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		 C7A.8 | 
		 | 
		Other malignant neuroendocrine tumors | 
	 
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