Malignant Neoplasms Of Intestine – Definitions & ICD 11 Codes


Exclusions:

Definition of : A primary malignant neoplasm involving the small intestine.


Malignant neoplasms of small intestine

ICD 11 Code For Malignant neoplasms of small intestine

  2B80  Malignant neoplasms of small intestine

Exclusions:

Coded Elsewhere:

2B80.0 Malignant neoplasms of duodenum

Definition of Malignant neoplasms of duodenum: A primary malignant neoplasm that affects the duodenum. Representative examples include carcinoma, lymphoma, and sarcoma.

Coded Elsewhere:

  • Lymphoma of duodenum (2B33.5)
  • Malignant mesenchymal tumour of the duodenum (2B5F.2)

2B80.00 Adenocarcinoma of duodenum

Definition of Adenocarcinoma of duodenum: An adenocarcinoma that arises from the duodenum.

2B80.01 Neuroendocrine neoplasm of duodenum

Definition of Neuroendocrine neoplasm of duodenum: Neoplasms that arise from the cells of neuroendocrine system lining the duodenum.

2B80.0Y Other specified malignant neoplasms of the duodenum

2B80.0Z Malignant neoplasms of duodenum unspecified

2B80.1 Malignant neoplasms of jejunum or ileum

2B80.10 Adenocarcinoma of jejunum or ileum

2B80.11 Neuroendocrine neoplasms of jejunum or ileum

Definition of Neuroendocrine neoplasms of jejunum or ileum: Neoplasms that arise from the cells of neuroendocrine system lining the jejunum or ileum including well-differentiated (low- to intermediated grade) neuroendocrine tumours. These include carcinoid tumour.

2B80.1Y Other specified malignant neoplasms of jejunum or ileum

2B80.1Z Malignant neoplasms of jejunum or ileum unspecified

2B80.2 Malignant neoplasms of small intestine site unspecified

2B80.20 Adenocarcinoma of small intestine site unspecified

Definition of Adenocarcinoma of small intestine site unspecified: A malignant tumour with glandular differentiation arising from epithelium of small intestine.

Exclusions:

  • Neuroendocrine neoplasms of small intestine, site unspecified (2B80.21)

2B80.21 Neuroendocrine neoplasms of small intestine site unspecified

Definition of Neuroendocrine neoplasms of small intestine site unspecified: Neoplasms that arise from the cells of neuroendocrine system lining the small intestine.

2B80.2Y Other specified malignant neoplasms of small intestine site unspecified

2B80.Y Other specified malignant neoplasms of small intestine

2B80.Z Malignant neoplasms of small intestine unspecified

Definition of Malignant neoplasms of small intestine unspecified: A primary malignant neoplasm that affects the appendix.

Malignant neoplasms of appendix

ICD 11 Code For Malignant neoplasms of appendix

  2B81  Malignant neoplasms of appendix

Exclusions:

Coded Elsewhere:

  • Lymphoma of the appendix (2B33.5)

2B81.0 Adenocarcinoma of appendix

Definition of Adenocarcinoma of appendix: A malignant neoplasm arising from the glandular epithelium of the appendix. Most are mucinous adenocarcinomas.

2B81.1 Mucinous adenocarcinoma of appendix

Definition of Mucinous adenocarcinoma of appendix: An adenocarcinoma, often cystic, with large amounts of extracellular mucin

2B81.2 Neuroendocrine neoplasms of appendix

Definition of Neuroendocrine neoplasms of appendix: Malignant neoplasms with neuroendocrine differentiation that arise in the appendix. Most are well differentiated neuroendocrine tumours (low and intermediate grade), i.e. carcinoids. Poorly differentiated neuroendocrine carcinomas (high grade) are exceedingly rare.

2B81.Y Other specified malignant neoplasms of appendix

2B81.Z Malignant neoplasms of appendix unspecified

Malignant neoplasms of colon

Definition of Malignant neoplasms of colon: Primary malignant neoplasms arising in the colon.

ICD 11 Code For Malignant neoplasms of colon

  2B90  Malignant neoplasms of colon

Exclusions:

Coded Elsewhere:

  • Gardner syndrome (LD2D.3)
  • Malignant Lymphoma of colon (2B33.5)
  • Gastrointestinal stromal tumour of colon (2B5B.Y)
  • Kaposi sarcoma of colon (2B57.2)
  • Leiomyosarcoma of colon (2B58.Y)

2B90.0 Malignant neoplasm of ascending colon and right flexure of colon

2B90.00 Adenocarcinoma of ascending colon or right flexure of colon

Definition of Adenocarcinoma of ascending colon or right flexure of colon: A malignant tumour with glandular differentiation arising from epithelium of ascending colon and right flexure.

2B90.0Y Other specified malignant neoplasm of ascending colon and right flexure of colon

2B90.0Z Malignant neoplasm of ascending colon and right flexure of colon unspecified

2B90.1 Malignant neoplasm of descending colon and splenic flexure of colon

2B90.10 Adenocarcinoma of descending colon or splenic flexure of colon

Definition of Adenocarcinoma of descending colon or splenic flexure of colon: A malignant tumour with glandular differentiation arising from epithelium of descending colon and splenic flexure.

2B90.1Y Other specified malignant neoplasm of descending colon and splenic flexure of colon

2B90.1Z Malignant neoplasm of descending colon and splenic flexure of colon unspecified

2B90.2 Malignant neoplasm of transverse colon

2B90.20 Adenocarcinoma of transverse colon

Definition of Adenocarcinoma of transverse colon: A malignant tumour with glandular differentiation arising from epithelium of transverse colon.

2B90.2Y Other specified malignant neoplasm of transverse colon

2B90.2Z Malignant neoplasm of transverse colon unspecified

2B90.3 Malignant neoplasm of sigmoid colon

Exclusions:

  • Malignant neoplasms of rectosigmoid junction (2B91)

2B90.30 Adenocarcinoma of sigmoid colon

Definition of Adenocarcinoma of sigmoid colon: A malignant tumour with glandular differentiation arising from epithelium of descending colon and splenic flexure.

2B90.3Y Other specified malignant neoplasm of sigmoid colon

2B90.3Z Malignant neoplasm of sigmoid colon unspecified

2B90.Y Other specified malignant neoplasms of colon

2B90.Z Malignant neoplasms of colon unspecified

Malignant neoplasms of rectosigmoid junction

ICD 11 Code For Malignant neoplasms of rectosigmoid junction

  2B91  Malignant neoplasms of rectosigmoid junction

2B91.0 Adenocarcinoma of rectosigmoid junction

Definition of Adenocarcinoma of rectosigmoid junction: A malignant tumour with glandular differentiation arising from epithelium of rectosigmoid junction

2B91.Y Other specified malignant neoplasms of rectosigmoid junction

2B91.Z Malignant neoplasms of rectosigmoid junction unspecified

Malignant neoplasms of rectum

ICD 11 Code For Malignant neoplasms of rectum

  2B92  Malignant neoplasms of rectum

Coded Elsewhere:

  • Malignant mesenchymal tumour of rectum (2B5F.2)

2B92.0 Adenocarcinomas of rectum

Definition of Adenocarcinomas of rectum: An adenocarcinoma arising from the rectum. It is more frequently seen in populations with a Western type diet and in patients with a history of chronic inflammatory bowel disease.

2B92.1 Neuroendocrine neoplasms of rectum

Definition of Neuroendocrine neoplasms of rectum: Malignant neoplasms with neuroendocrine differentiation that arise in the rectum. Most are well differentiated neuroendocrine tumours (low and intermediate grade), i.e. carcinoids. Poorly differentiated neuroendocrine carcinomas (high grade) are rare.

2B92.Y Other specified malignant neoplasms of rectum

2B92.Z Malignant neoplasms of rectum unspecified

Malignant neoplasms of large intestine site unspecified

ICD 11 Code For Malignant neoplasms of large intestine site unspecified

  2B93  Malignant neoplasms of large intestine site unspecified

2B93.0 Adenocarcinoma of large intestine site unspecified

2B93.Y Other specified malignant neoplasms of large intestine site unspecified

2B93.Z Malignant neoplasms of large intestine site and type unspecified

Other specified malignant neoplasms of large intestine

ICD 11 Code For Other specified malignant neoplasms of large intestine

  2B9Y  Other specified malignant neoplasms of large intestine

Malignant neoplasms of large intestine unspecified

ICD 11 Code For Malignant neoplasms of large intestine unspecified

  2B9Z  Malignant neoplasms of large intestine unspecified

Definition of : A primary malignant neoplasm that arises in the anal canal up to the junction with perianal, hair-bearing skin. Representative examples include carcinomas and melanomas. Tumours of the anal margin are classified with skin tumours.

Malignant neoplasms of anus or anal canal

ICD 11 Code For Malignant neoplasms of anus or anal canal

  2C00  Malignant neoplasms of anus or anal canal

Exclusions:

2C00.0 Adenocarcinoma of anus or anal canal

Definition of Adenocarcinoma of anus or anal canal: An adenocarcinoma arising in the anal canal epithelium, including the mucosal surface, the anal glands, and the lining of fistulous tracts.

2C00.1 Melanoma of anus or anal canal

Definition of Melanoma of anus or anal canal: A form of cancer that develops in melanocytes, the cells that produce pigment melanin in the skin.

2C00.2 Neuroendocrine neoplasm of anus or anal canal

Definition of Neuroendocrine neoplasm of anus or anal canal: Neoplasms that arise from the cells of the neuroendocrine system lining the anus and anal canal.

2C00.3 Squamous cell carcinoma of anus or anal canal

Definition of Squamous cell carcinoma of anus or anal canal: A squamous cell carcinoma (SCC) arising from the anal canal up to the junction with the anal margin (perianal, hair-bearing skin). Human papillomavirus is detected in the majority of cases. Homosexual HIV-positive men have an increased risk of developing anal squamous cell carcinoma in comparison to the general male population. The prognosis is generally better for anal margin SCC than for anal canal SCC. The former are classified with skin tumours.

2C00.Y Other specified malignant neoplasms of anus and anal canal

2C00.Z Malignant neoplasms of anus or anal canal unspecified

Other specified malignant neoplasms of intestine

ICD 11 Code For Other specified malignant neoplasms of intestine

  2C0Y  Other specified malignant neoplasms of intestine

Malignant neoplasms of intestine unspecified

ICD 11 Code For Malignant neoplasms of intestine unspecified

  2C0Z  Malignant neoplasms of intestine unspecified

Malignant neoplasm of pancreas

Definition of Malignant neoplasm of pancreas: A primary malignant tumour of the pancreas. Most are adenocarcinomas.

ICD 11 Code For Malignant neoplasm of pancreas

  2C10  Malignant neoplasm of pancreas

Exclusions:

2C10.0 Adenocarcinoma of pancreas

Definition of Adenocarcinoma of pancreas: An adenocarcinoma which arises from the exocrine pancreas. Ductal adenocarcinoma and its variants are the most common types of pancreatic adenocarcinoma.

2C10.1 Neuroendocrine neoplasms of pancreas

Definition of Neuroendocrine neoplasms of pancreas: A neoplasm with neuroendocrine differentiation that arises from the pancreas. It includes neuroendocrine tumours (low and intermediate grade) and neuroendocrine carcinomas (high grade).

2C10.Y Other specified malignant neoplasms of pancreas

2C10.Z Malignant neoplasm of pancreas unspecified

Definition of Malignant neoplasm of pancreas unspecified: A primary malignant tumour involving a digestive organ or organs not coded elsewhere (including intestinal tract [part unspecified], overlapping lesions of the digestive tract and other ill-defined sites within the digestive system)

Malignant neoplasms of other or ill-defined digestive organs

ICD 11 Code For Malignant neoplasms of other or ill-defined digestive organs

  2C11  Malignant neoplasms of other or ill-defined digestive organs

Exclusions:

2C11.0 Adenocarcinoma of other or ill-defined digestive organs

2C11.1 Mucinous carcinoma of other or ill-defined digestive organs

2C11.2 Other specified malignant neoplasms of other or ill-defined digestive organs

2C11.Z Malignant neoplasms of other or ill-defined digestive organs unspecified

Definition of Malignant neoplasms of other or ill-defined digestive organs unspecified: The most frequent and important hepatic neoplasm is the primary hepatocellular carcinoma (HCC). In many parts of the world, in particular Africa and Asia, it poses a significant disease burden. In these high incidence regions, chronic infection with hepatitis B virus (HBV) is the principal underlying cause, with the exception of Japan which has a high prevalence of hepatitis C infection. HBV vaccination has become a powerful tool in reducing cirrhosis and HCC, but implementation is still suboptimal in several high risk regions. In Western countries, chronic alcohol abuse is a major aetiological factor. Hepatic cholangiocarcinoma has a different geographical distribution, with peak incidences in Northern Thailand. Here, it is caused by chronic infection with the liver fluke, Opisthorchis Viverrini, which is ingested through infected raw fish.

Malignant neoplasms of liver or intrahepatic bile ducts

ICD 11 Code For Malignant neoplasms of liver or intrahepatic bile ducts

  2C12  Malignant neoplasms of liver or intrahepatic bile ducts

Exclusions:

  • Secondary malignant neoplasm of liver (2D80)
  • Malignant neoplasm of biliary tract NOS (2C17)

2C12.0 Malignant neoplasm of liver

2C12.00 Combined hepatocellular-cholangiocarcinoma

Definition of Combined hepatocellular-cholangiocarcinoma: Combined hepatocellular-cholagiocarcinoma is a tumour containing unequivocal, intimately mixed elements of both hepatocellular carcinoma and cholangiocarcinoma.

Inclusions:

  • Hepatocholangiocarcinoma

2C12.01 Hepatoblastoma

Definition of Hepatoblastoma: A malignant liver neoplasm that occurs almost exclusively in infants, although isolated cases in older children and adults have been reported. Grossly, hepatoblastoma is solid, well circumscribed, and more often solitary than multiple. Microscopically, most of the tumours are composed exclusively of immature hepatocytic elements. About a fourth of hepatoblastomas contain a stromal component that may be undifferentiated or develop into bone or cartilage.

2C12.02 Hepatocellular carcinoma of liver

Definition of Hepatocellular carcinoma of live: A carcinoma that arises from the hepatocytes.

2C12.03 Mesothelial carcinoma of liver

2C12.0Y Other specified malignant neoplasm of liver

2C12.1 Malignant neoplasm of intrahepatic bile ducts

2C12.10 Intrahepatic cholangiocarcinoma

Definition of Intrahepatic cholangiocarcinoma: A carcinoma that arises from the intrahepatic bile duct epithelium in any site of the intrahepatic biliary tree. Grossly, the malignant lesions are solid, nodular, and grayish. Morphologically, the vast majority of cases are adenocarcinomas. Early detection is difficult and the prognosis is generally poor.

2C12.1Y Other specified malignant neoplasms of intrahepatic bile ducts

2C12.Z Malignant neoplasms of liver or intrahepatic bile ducts unspecified

Definition of Malignant neoplasms of liver or intrahepatic bile ducts unspecified: A malignant tumour arising from the epithelium of the gallbladder. It is usually associated with the presence of gallstones. Clinical symptoms are not specific and usually present late in the course. Morphologically, adenocarcinoma is the most common type, however squamous cell carcinomas, adenosquamous carcinomas, signet ring carcinomas, and undifferentiated carcinomas can also occur.

Malignant neoplasms of gallbladder

ICD 11 Code For Malignant neoplasms of gallbladder

  2C13  Malignant neoplasms of gallbladder

2C13.0 Adenocarcinoma of the gallbladder

Definition of Adenocarcinoma of the gallbladder: An adenocarcinoma arising from the gallbladder. It is the most common malignant tumour of the gallbladder, typically in the fundus; it is usually well to moderately differentiated. The incidence is higher in patients with gallstones than in patients without gallstones. Signs and symptoms usually present late in the course of the disease and are reminiscent of those of chronic cholecystitis including right upper quadrant pain. Histologic variants include adenocarcinoma of the intestinal type, clear cell adenocarcinoma, mucinous adenocarcinoma, papillary adenocarcinoma, and signet ring adenocarcinoma.

2C13.Y Other specified malignant neoplasm of gallbladder

2C13.Z Malignant neoplasms of gallbladder unspecified

Malignant neoplasms of proximal biliary tract cystic duct

ICD 11 Code For Malignant neoplasms of proximal biliary tract cystic duct

  2C14  Malignant neoplasms of proximal biliary tract cystic duct

2C14.0 Adenocarcinoma of proximal biliary tract cystic duct

2C14.1 Mucinous cystic neoplasm with associated invasive carcinoma of cystic duct

2C14.2 Neuroendocrine neoplasms of cystic duct

2C14.Y Other specified malignant neoplasms of biliary tract cystic duct

2C14.Z Malignant neoplasms of proximal biliary tract cystic duct unspecified

Malignant neoplasms of biliary tract distal bile duct

ICD 11 Code For Malignant neoplasms of biliary tract distal bile duct

  2C15  Malignant neoplasms of biliary tract distal bile duct

2C15.0 Adenocarcinoma of biliary tract distal bile duct

Definition of Adenocarcinoma of biliary tract distal bile duct: An adenocarcinoma that arises from the common bile duct distal to the insertion of the cystic duct.

2C15.1 Mucinous cystic neoplasm with associated invasive carcinoma of distal bile duct

2C15.2 Neuroendocrine neoplasms of distal bile duct

2C15.Y Other specified malignant neoplasms of biliary tract distal bile duct

2C15.Z Malignant neoplasms of biliary tract distal bile duct unspecified

Malignant neoplasms of ampulla of Vater

ICD 11 Code For Malignant neoplasms of ampulla of Vater

  2C16  Malignant neoplasms of ampulla of Vater

2C16.0 Adenocarcinoma of ampulla of Vater

Definition of Adenocarcinoma of ampulla of Vater: A malignant glandular epithelial tumour arising in the ampulla of Vater

2C16.1 Neuroendocrine neoplasms of ampulla of Vater

2C16.Y Other specified malignant neoplasms of ampulla of Vater

2C16.Z Malignant neoplasms of ampulla of Vater unspecified

Malignant neoplasms of other or unspecified parts of biliary tract

ICD 11 Code For Malignant neoplasms of other or unspecified parts of biliary tract

  2C17  Malignant neoplasms of other or unspecified parts of biliary tract

Exclusions:

  • Malignant neoplasm of intrahepatic bile duct (2C12)

Coded Elsewhere:

  • Malignant mesenchymal tumours of gallbladder or bile ducts (2B5F.2)

2C17.0 Adenocarcinoma of other or unspecified parts of biliary tract

2C17.1 Mucinous cystic neoplasm with associated invasive carcinoma of other or unspecified parts of biliary tract

2C17.2 Neuroendocrine neoplasms of other or unspecified parts of biliary tract

2C17.Y Other specified malignant neoplasms of overlapping lesion of biliary tract

2C17.Z Malignant neoplasms of other or unspecified parts of biliary tract unspecified

Malignant neoplasms of perihilar bile duct

ICD 11 Code For Malignant neoplasms of perihilar bile duct

  2C18  Malignant neoplasms of perihilar bile duct

“Includes left, right and common hepatic ducts to the origin of the cystic duct”

2C18.0 Hilar cholangiocarcinoma

Definition of Hilar cholangiocarcinoma: Klatskin tumour is an extra-hepatic cholangiocarcinoma arising in the junction of the main right or left hepatic ducts to form the common hepatic duct.

2C18.1 Mucinous cystic neoplasm with associated invasive carcinoma of perihilar bile duct

2C18.2 Neuroendocrine neoplasm of perihilar bile duct

2C18.Y Other specified malignant neoplasms of perihilar bile duct

2C18.Z Malignant neoplasms of perihilar bile duct unspecified

Malignant neoplasms of digestive organs unspecified

ICD 11 Code For Malignant neoplasms of digestive organs unspecified

2C1Z  Malignant neoplasms of digestive organs unspecified

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