Ambulatory medical apparatus with hand held communication device

A medical system, comprising:

• a) an ambulatory medical device (MD) comprising MD electronic control circuitry that further comprises at least one MD telemetry system and at least one MD processor that controls, at least in part, operation of the MD telemetry system and operation of the medical device, wherein the medical device is configured to provide a treatment to a body of a patient or to monitor a selected state of the body;
• and
• b) a communication device (CD) comprising CD electronic control circuitry that further comprises at least one CD telemetry system and at least one CD processor that controls, at least in part, operation of the CD telemetry system and operation of the communication device, wherein the CD telemetry system sends messages to or receives messages from the MD telemetry system,
• wherein the medical device is configured to deliver a substance to the body of the patient;
• and
• wherein the communication device is configured to program the medical device to deliver the substance to the body of the patient according to a programmed delivery profile that includes multiple basal rates, each basal rate defining a rate of delivery of the substance and a time interval for delivery at the defined rate of delivery;
• and
• wherein the communication device is further configured to program the medical device to deliver the substance to the body of the patient according to a temporary basal rate for a defined period of time and thereafter according to the programmed delivery profile.