I'm so confused! I have a home infusion provider who sees a pt. weekly for AC Huber needle changes. THey are billing multiple units of both of the above Home Infusion Therapy codes monthly (usually 12-16 units of both), but only see the pt. 4-5 times a month. The codes seem to cover the same things so I don't understand how they can bill both. Shouldn't they just bill one of these for each DOS (pt. visit). There's no documentation or notes to support billing for any other dates during the month. HELP!!!