Neoplasms of uncertain behaviour, except of lymphoid, haematopoietic, central nervous system or related tissues

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

A neoplasm displaying morphologic, phenotypic, or genotypic characteristics that are clearly not benign but do not permit the establishment of a definitive diagnosis of malignancy. Such neoplasms may or may not eventually have a more aggressive clinical course. Representative examples include lymphoproliferations of uncertain malignant potential (e.g., lymphomatoid granulomatosis and lymphomatoid papulosis), borderline ovarian epithelial neoplasms (e.g., borderline ovarian endometrioid tumour and borderline ovarian mucinous tumour), borderline exocrine pancreatic neoplasm (e.g., pancreatic borderline intraductal papillary-mucinous neoplasm), and primary borderline peritoneal epithelial neoplasm.

code elsewhere

• Pathological fracture in neoplastic disease of uncertain behaviour  (FB80.B)

sections/codes in this section (2F70-2F7Z)

• Neoplasms of uncertain behaviour of oral cavity or digestive organs  (2F70)
• Neoplasms of uncertain behaviour of middle ear, respiratory or intrathoracic organs  (2F71)
• Neoplasms of uncertain behaviour of skin  (2F72)
• Neoplasms of uncertain behaviour of retroperitoneum  (2F73)
• Neoplasms of uncertain behaviour of peritoneum  (2F74)
• Neoplasms of uncertain behaviour of breast  (2F75)
• Neoplasms of uncertain behaviour of female genital organs  (2F76)
• Neoplasms of uncertain behaviour of male genital organs  (2F77)
• Neoplasms of uncertain behaviour of urinary organs  (2F78)
• Neoplasms of uncertain behaviour of eye or ocular adnexa  (2F79)
• Neoplasms of uncertain behaviour of endocrine glands  (2F7A)
• Neoplasms of uncertain behaviour of bone or articular cartilage  (2F7B)
• Neoplasms of uncertain behaviour of connective or other soft tissue  (2F7C)
• Neoplasms of uncertain behaviour of other specified site  (2F7Y)
• Neoplasms of uncertain behaviour of unspecified site  (2F7Z)

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