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.
The mastoid is a honeycomb of air cells located behind the ear. The air cells are lined by a thin mucous membrane. The mastoid is connected to the part of the ear where the hearing and balance mechanisms are located. The mastoid can be affected by diseases such as infection and cholesteatoma.