Ask Dr. Z

We need guidance on how to report iFR in an ASC. We do understand for professional we would bill 93571-52, and for facility it should be billed as the unlisted 93799 until AMA has published the update verbiage in 2026. But how should we report in an ASC? Medicare is denying the facility charge 93799 with M6 reason code (No payment made; paid under another fee schedule) IOM- 100-04 Chapter 14 section 60.3 M6