C72.4 Malignant neoplasm of acoustic nerveNon-billable header with 3 child codes.
C72.40 Malignant neoplasm of unspecified acoustic nerveC72.41 Malignant neoplasm of right acoustic nerveC72.42 Malignant neoplasm of left acoustic nerveC71 Malignant neoplasm of brain ("malignant neoplasm of cranial nerves (C72.2-C72.5)")C72.22 Malignant neoplasm of left olfactory nerveC72.3 Malignant neoplasm of optic nerveC72.30 Malignant neoplasm of unspecified optic nerveC72.31 Malignant neoplasm of right optic nerveC72.32 Malignant neoplasm of left optic nerveC72.4 Malignant neoplasm of acoustic nerve (this code)C72.40 Malignant neoplasm of unspecified acoustic nerveC72.41 Malignant neoplasm of right acoustic nerveC72.42 Malignant neoplasm of left acoustic nerveC72.5 Malignant neoplasm of other and unspecified cranial nervesC72.50 Malignant neoplasm of unspecified cranial nerve