What modifier is used with cpt code 72148 and 73721?

CPT codes 72148 (MRI of the spine) and 73721 (MRI of the lower extremity) typically require the use of modifier 59 when performed together to indicate that they are distinct procedural services. This modifier helps to clarify that the procedures are separate and not a part of a bundled payment. Always check the specific guidelines or payer policies for additional requirements or recommendations.