Correction:
Eradicate BAHA Confusion With These Clarifications
Published on Fri Nov 27, 2009
The October 2009 Otolaryngology Coding Alert article on the bone anchored hearing aid (BAHA) system contained errors. Here is the correct information: Correction 1: The FDA lists the following criteria for BAHA use in single-sided deafness: • Greater than or equal to 5 years of age; • Normal hearing in contralateral ear. Normal hearing is defined as a pure tone average for air conduction thresholds equal to or better than 20dB HTL at .5, 1, 2, 3kHz; • Functions by transcranial routing of signal. Correction 2: BAHA is considered a special application of mastoidectomy. The most common reason you do a mastoidectomy is to remove a disease of the mastoid itself due to mastoiditis (383.xx) or cholesteatoma (385.xx). Just the same, your physician could also use it as an approach to other structures in the ear. For example, the BAHA system and cochlear implants are inserted into the inner ear after [...]
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