SMHCPCS Level II
Second surgical opinion
Related modifiers
SANurse practitioner rendering service in collaboration with a physicianSBNurse midwifeSCMedically necessary service or supplySDServices provided by registered nurse with specialized, highly technical homeSEState and/or federally-funded programs/servicesSFSecond opinion ordered by a professional review organization (pro) per sectionSGAmbulatory surgical center (asc) facility serviceSHSecond concurrently administered infusion therapy
Frequently asked questions
What does modifier SM mean?
Second surgical opinion
HCPCS modifier data from CMS. CPT® is a registered trademark of the American Medical Association — CPT modifier descriptions are not included on this site. Always verify codes with authoritative sources before making billing decisions.