Gastrointestinal stromal tumour of small intestine

Description

A gastrointestinal stromal tumour that arises from the small intestine. It usually affects adults over fifty years of age. The majority of cases have spindle cell morphology. The prognosis depends on the tumour size and the mitotic activity.

Coding note from above levels

For use of this category, reference should be made to the mortality coding rules and guidelines in the Reference Guide.

Exclusions from above levels

• 2A01.1 – Mesenchymal tumour of meninges
• 2A02.1 – Tumours of cranial or paraspinal nerves
• http://id.who.int/icd/entity/879154182 – Neoplasms of central nervous system or related structures