Prisoner is a legal term for a person who is imprisoned. In section 1 of the Prison Security Act 1992, the word prisoner means any person for the time being in a prison as a result of any requirement imposed by a court or otherwise that he be detained in legal custody.
To qualify for insurance coverage under the medically necessary definition, one would have to practically be skeletally deformed...in essence, one would need a whole lot more than just braces for correction. Please read the link below to read what conditions qualify for medically necessary.
Keep medical necessity distinct from patient preference in documentation. If you're providing refractive lenses for cataract surgery patients, you'll need to unravel your DME MAC's complex coding and billing rules to claim deserved Medicare reimbursement.