In simple words: This code is for a replacement battery for a cochlear implant. A cochlear implant helps people who are deaf hear by sending electrical signals to the hearing nerve. The battery is a small, disposable power source that typically lasts six to eight hours. This code is used when the old battery stops working and needs to be replaced.

Alkaline battery for use with cochlear implant device, any size, replacement, each.

Example 1: A patient with a cochlear implant presents to their audiologist because their implant's battery is no longer functioning. The audiologist replaces the battery and bills using L8622., During a routine check-up, a patient's cochlear implant battery is found to be nearing the end of its life. The audiologist replaces the battery proactively to prevent interruption of the patient's hearing and bills using L8622., A child with a cochlear implant requires a battery change at school. The school nurse, trained in cochlear implant maintenance, replaces the battery. The school bills using L8622.

Documentation should support the medical necessity of the battery replacement, such as the patient's dependence on the cochlear implant and the malfunctioning of the existing battery.