a system facilitates automated , remote communication between a variety of individuals or entities involved in the process of providing medical services or equipment to patients . a communication module facilitates automated remote communication using a network accommodating hard wire , wireless , internet , intranet or ethernet technologies , for example , to share information between physicians , therapists , nurses , facilities , manufacturers , insurance providers , equipment providers , payors and caregivers to expedite the therapeutic process . the inventive arrangement eliminates redundancies and promotes efficiencies that are realized through automatic generation of required documentation in expediting communications between all entities involved in the process of providing the necessary care . in one example , the inventive arrangement facilitates automatically generating a certificate of medical necessity at the time that a physician places an order for a selected prescribed therapy . in one example , the certificate of medical necessity includes an electronic signature that is acceptable to replace a hand signature on a hardcopy of the certificate as has been previously required . an inventive testing device arrangement for facilitating data retrieval from the device is also disclosed .