[a fool in paradise]

It doesn’t take “the internet of things” (iDevices) to come up with a “Dewey Decimal System” for medical codes.

[grey_whiskers]

You have no idea WTF you’re talking about.
There are multiple competing sets of mutually exclusive codes; different payment schedules and rules per provider and system; AND different sets of all of the above per region, state, and (sometimes) municipality (e.g. New York often gets its own separate rules).