CPT Codes For Middle Cranial Fossa Skull Base Procedures

Below is a list summarizing the CPT codes for middle cranial fossa skull base procedures.

CPT Code 61590

CPT 61590 describes a procedure involving an infratemporal pre-auricular approach to the middle cranial fossa, parapharyngeal space, infratemporal and midline skull base, and nasopharynx, with or without disarticulation of the mandible, including parotidectomy, craniotomy, decompression and/or mobilization of the facial nerve and/or petrous carotid artery.

CPT Code 61591

CPT 61591 describes a procedure involving an infratemporal post-auricular approach to the middle cranial fossa, including mastoidectomy, resection of the sigmoid sinus, and the potential for decompression and/or mobilization of the contents of the auditory canal or petrous carotid artery.

CPT Code 61592

CPT 61592 describes a procedure involving an orbitocranial zygomatic approach to the middle cranial fossa, including an osteotomy of the zygoma, craniotomy, and extra- or intradural elevation of the temporal lobe, with access to the cavernous sinus and carotid artery, clivus, basilar artery, or petrous apex.

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