2C80 Malignant neoplasms of testis
International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2026-01
Malignant neoplasms of testis are primary malignant neoplasm that affects the testis. More than 90% of testicular tumours are of germ cell origin. Approximately 50% of germ cell tumours are seminomas, and the vast majority of the remainder are either pure forms of other subtypes or mixed germ cell tumours usually referred to as “non-seminomatous germ cell tumours” (NSGCTs). Seminomas and NSGCTs show differences in biological behaviour, and their precise classification has a profound effect on patient care. Remaining malignancies of testis include mesenchymal, haematolymhoid tumours or sporadically other histological subtypes, however they are classified in the corresponding categories.
exclusions
- Malignant mesenchymal neoplasms (2B50-2B5Z)
- Neoplasms of haematopoietic or lymphoid tissues (2A20-2B3Z)
- Malignant neoplasm metastasis in testicle (2E06)
sections/codes in this section ()
- Germ cell tumour of testis (2C80.2)
- Other specified malignant neoplasms of testis (2C80.Y)
- Malignant neoplasms of testis, unspecified (2C80.Z)
postcoordination
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