Ben neoplm of prph nerves and autonm nrv sys of face/hed/nk

This code signifies the presence of a non-cancerous growth originating from the peripheral nerves or the autonomic nervous system within the facial, cranial, or cervical regions. These benign neoplasms can include conditions like neurofibromas, schwannomas, or ganglioneuromas affecting structures such as the trigeminal nerve, facial nerve, or cervical sympathetic chain.

Apply this code when documentation clearly identifies a benign tumor involving peripheral or autonomic nerves specifically located in the head, face, or neck. This is appropriate for initial diagnosis, follow-up, or when monitoring such a lesion. Supporting documentation should include pathology reports confirming benignity, imaging studies (MRI, CT) detailing location, and physician notes describing the mass.

• Ensure the documentation explicitly states the neoplasm is benign; otherwise, consider codes for neoplasms of uncertain behavior or malignant.
• Verify the precise anatomical location within the head, face, or neck to ensure it falls within the scope of "peripheral nerves and autonomic nervous system."
• Do not use this code for benign neoplasms of the central nervous system (brain, spinal cord), even if located in the head or neck.