Malignant neoplasm of brain, unspecified

This code signifies a cancerous growth originating within the brain tissue, where the specific type or location of the tumor is not documented. It indicates a primary intracranial malignancy without further pathological or anatomical detail.

This code is appropriate when a patient has a confirmed malignant brain neoplasm, but the medical record lacks specificity regarding the tumor's histology (e.g., glioblastoma, astrocytoma) or precise anatomical site within the brain. It is used when documentation only states "malignant brain tumor" or "brain cancer, unspecified."

• Avoid using this code if more specific information about the tumor type or location is available in the pathology report or imaging studies.
• Always query the physician for greater specificity if the documentation is vague, as more precise codes exist for various brain tumor types.
• This code should be a last resort when no further detail can be obtained, as it impacts data quality and specificity for cancer registries.