You can also shop for coverage in the health insurance Marketplace, which is also called an exchange. You may also qualify for Medicaid in your state if your income is low. In the marketplace, you can: 1  Compare health plans side by side.
HL7 interfaces are obscenely expensive unfortunately. With some vendors, just the licensing can be $10,000+. On top of that you have the programming expenses. It is ridiculous but anything with a medical tag costs 4x more. Sorry for the bad news.
The IF-232 Interface from Kenwood is a 1488 and a 1489 chip in a box. These are an RS-232 Quad Line Driver and Receiver and are available at Radio Shack for $1.29 Each. Here is an easy project that will save you a lot over the $69+ Kenwood price of the IF-232 Interface.