ICD 11

Malignant Neoplasms Of Digestive Organs – Definitions & ICD 11 Codes


Definition of Malignant Neoplasms Of Digestive Organs: A primary malignant neoplasm involving any part of the gastrointestinal system.

Exclusions:


Malignant neoplasms of oesophagus

Definition of Malignant neoplasms of oesophagus: A primary malignant neoplasm involving the oesophagus

ICD 11 Codes For Malignant neoplasms of oesophagus

  2B70  Malignant neoplasms of oesophagus

Exclusions:

2B70.0 Adenocarcinoma of oesophagus

Definition of Adenocarcinoma of oesophagus: A malignant tumour with glandular differentiation arising predominantly from Barrett mucosa in the lower third of the esophagus. Grossly, esophageal adenocarcinomas are similar to esophageal squamous cell carcinomas. Microscopically, adenocarcinomas arising in the setting of Barrett esophagus are typically papillary and/or tubular. The prognosis is poor.

2B70.00 Barrett adenocarcinoma

Definition of Barrett adenocarcinoma: Barrett adenocarcinoma is defined as adenocarcinoma of lower oesophagus and gastroesophageal junction associated with Barrett’s oesophagus.

2B70.0Y Other specified adenocarcinoma of oesophagus

2B70.0Z Adenocarcinoma of oesophagus unspecified

2B70.1 Squamous cell carcinoma of oesophagus

Definition of Squamous cell carcinoma of oesophagus: A squamous cell carcinoma arising from the esophagus. It can be associated with a long history of tobacco and alcohol abuse and is exceedingly rare before the age of 30. The median age is around 65 in both males and females, but the incidence in males is much higher than in females. It is located mostly in the middle and lower third of the esophagus. Grossly, polypoid, ulcerated, plaque-like and occult lesions have been described. The microscopic features are the same as in other squamous cell carcinomas. Any degree of differentiation may occur, and variation within a single tumour is common. The prognosis is poor.

2B70.Y Other specified malignant neoplasms of oesophagus

2B70.Z Malignant neoplasms of oesophagus unspecified

Definition of Malignant neoplasms of oesophagus unspecified: Malignant neoplasms that arise from the cells of the oesophagogastric junction (OGJ), which is defined as the point at which the oesophagus ends and the stomach begins. This mainly defines adenocarcinomas that straddle the junction of the oesophagus and stomach. This definition includes many tumours formally called cancers of the gastric cardia.

Malignant neoplasms of oesophagogastric junction

ICD 11 Codes For Malignant neoplasms of oesophagogastric junction

  2B71  Malignant neoplasms of oesophagogastric junction

Exclusions:

2B71.0 Adenocarcinoma of oesophagogastric junction

Definition of Adenocarcinoma of oesophagogastric junction: An adenocarcinoma that arises from and straddles the junction of the stomach and esophagus. The category of adenocarcinomas of the gastroesophageal junction also includes the majority of adenocarcinomas previously called gastric cardia adenocarcinomas. Squamous cell carcinomas that affect or cross the junction of the stomach and esophagus are classified as carcinomas of the distal esophagus. Adenocarcinoma of the gastroesophageal junction occurs more often in Caucasian middle aged and elderly males. Clinical signs and symptoms include dysphagia, abdominal pain, and weight loss. The prognosis depends on the completeness of the surgical resection, the number of lymph nodes involved by cancer, and the presence or absence of postoperative complications.

2B71.Y Other specified malignant neoplasm of oesophagogastric junction

2B71.Z Malignant neoplasms of oesophagogastric junction unspecified

Definition of Malignant neoplasms of oesophagogastric junction unspecified: A primary or metastatic malignant neoplasm involving the stomach.

Malignant neoplasms of stomach

ICD 11 Codes For Malignant neoplasms of stomach

  2B72  Malignant neoplasms of stomach

Exclusions:

Coded Elsewhere:

2B72.0 Adenocarcinoma of stomach

Definition of Adenocarcinoma of stomach: An adenocarcinoma arising from the stomach glandular epithelium. Gastric adenocarcinoma is primarily a disease of older individuals. It most commonly develops after a long period of atrophic gastritis and is strongly associated with Helicobacter pylori infection. The lack of early symptoms often delays the diagnosis of gastric cancer. The majority of patients present with advanced tumours which have poor rates of curability. Microscopically, two important histologic types of gastric adenocarcinoma are recognised: the intestinal and diffuse type. The overall prognosis of gastric adenocarcinomas is poor, even in patients who receive a curative resection.

2B72.1 Malignant neuroendocrine neoplasm of stomach

Definition of Malignant neuroendocrine neoplasm of stomach: A neoplasm with neuroendocrine differentiation that arises from the stomach. It includes well differentiated neuroendocrine tumours (low and intermediate grade) and poorly differentiated neuroendocrine carcinomas (high grade).

Inclusions:

  • carcinoid and other malignant neuroendocrine neoplasms

Coded Elsewhere:

  • Neuroendocrine neoplasm of duodenum (2B80.01)
  • Neuroendocrine neoplasms of appendix (2B81.2)

2B72.Y Other specified malignant neoplasms of stomach

2B72.Z Malignant neoplasms of stomach unspecified

Exclusions:

Malignant neoplasms of small intestine

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

ICD 11 Codes 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 Codes 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

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