My office bills 93015 and 78414-TC (the equipment is ours and in our office) for exercise treadmill test in our nuclear dept. For some reason this past mo ins in not wanting to pay for the 78414-TC, I haven't narrowed it down to what ins and if it is just a random basis though I did just checked and the one I pulled up medicaid paid but we are seeing a lot of issues with this code. Any advise would be greatly appreciated.