ICD-10-CM > C00-D49 > C69-C72 > C70 C70 Malignant neoplasm of meninges Non-Billable/Non-Specific Codes C70.0Malignant neoplasm of cerebral meningesC70.1Malignant neoplasm of spinal meningesC70.9Malignant neoplasm of meninges, unspecified