Obtaining access to Internet-based PECOS by organizational providers and suppliers (e.g., professional associations, professional corporations, limited liability corporations) involves several steps, and the first step must be taken by the Authorized Official (AO) of the DMEPOS supplier.
Mastoiditis is a serious bacterial infection that affects the mastoid bone behind the ear. It's usually more common in children, although adults can also sometimes be affected. The mastoid bone has a honeycomb-like structure that contains air spaces called mastoid cells.
From Wikipedia, the free encyclopedia. Mastoiditis is the result of an infection that extends to the air cells of the skull behind the ear. Specifically, it is an inflammation of the mucosal lining of the mastoid antrum and mastoid air cell system inside the mastoid process.The mastoid process is the portion of the temporal bone of the skull that is behind the ear which contains open, air-containing spaces.astoiditis is the result of an infection that extends to the air cells of the skull behind the ear.