Despite its apparently straightforward definition in the CPT® Manual, modifier -59 (distinct procedural service) can be deceptively difficult to append properly.
CMS added modifier -AO (provider declined alt payment method) and new HCPCS codes to the I/OCE as part of the October 2013 quarterly update found in Transmittal 2763.
Our experts answer questions about NCCI edits for injections, modifier -25, modifier -59, laminotomy with insertion of Coflex distraction device, billing mammogram for needle placement, and auditing electronic orders.
