RCHCPCS Level II

Right coronary artery

Usage notes
Append to cardiac catheterization/intervention codes to identify the right coronary artery as the vessel treated.
Common mistakes
Leaving off RC when a right coronary intervention is bundled with a left-sided one in the same session, understating the vessels actually treated.

Related modifiers

Frequently asked questions

What does modifier RC mean?

Right coronary artery

When do I use modifier RC?

Append to cardiac catheterization/intervention codes to identify the right coronary artery as the vessel treated.

What's a common mistake with modifier RC?

Leaving off RC when a right coronary intervention is bundled with a left-sided one in the same session, understating the vessels actually treated.

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.