Pragmatics is a subfield of linguistics and semiotics that studies the ways in which context contributes to meaning. Pragmatics encompasses speech act theory, conversational implicature, talk in interaction and other approaches to language behavior in philosophy, sociology, linguistics and anthropology.
A durable medical equipment business is a company that sells health care related items intended for use in the home for an extended period. Products such as wheelchairs, hospital beds, glucose monitors and nebulizers are considered durable medical equipment, and are often covered by insurance plans and Medicare provided that the equipment is intended for long-term use.
Durable Medical Equipment and Services are not covered when.. 1  The DME add-ons or upgrades are intended primarily for convenience or upgrades beyond what is necessary to meet the memberâs legitimate medical needs. 2  When it does not provide a therapeutic benefit to a patient in need because of certain medical conditions or illnesses; or.