The Case Log Coding Guidelines have been provided in an attempt to establish some degree of uniformity for logging cases in the ACGME Resident Case Log System for Otolaryngology. The Review Committee for Otolaryngology thanks and credits the Harvard otolaryngology residency program for drafting the initially  . Mar 30, 2006 . CPT Code. Description. 42810. Excision branchial cleft cyst or vestige, confined to skin and subcutaneous tissues. 42815. Excision branchial cleft cyst,. … CPT Code. Description. 69930. Cochlear device implantation, with or without mastoidectomy. COCHLEO/VESTIBULAR NERVE SECTION. CPT Code. Case Log Coding Recommendations. The following Case Log Coding Recommendations have been provided in an attempt to establish some degree of uniformity for all otolaryngology residents in terms of the logging of cases into the ACGME. Case Log System. The Review Committee for Otolaryngology publicly thanks . May 13, 2014 . To repair the tympanic membrane perforation, a graft is harvested either from the temporalis fascia or other tissue. Occasionally a http://www.supercoder.com/ coding-new. -graft-article. Would you ENT coders please tell me if the derma fascia graft can be billed separately from the tympanoplasty? Thanks . The basic components of a cochlear implant include both external and internal components. The external components include a microphone, an external sound processor, and an external transmitter. The internal components are implanted surgically and include an internal receiver implanted within the temporal bone.Number: 0181 . Policy. Evoked Potential Studies. Aetna considers evoked potential studies medically necessary for the following indications: Somatosensory evoked.