LCHCPCS Level II

Left circumflex coronary artery

Usage notes
Append to cardiac catheterization/intervention codes to identify the left circumflex coronary artery as the vessel treated.
Common mistakes
Reporting a single vessel modifier when the cath lab report documents intervention in multiple coronary territories, which requires a modifier per vessel.

Related modifiers

Frequently asked questions

What does modifier LC mean?

Left circumflex coronary artery

When do I use modifier LC?

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

What's a common mistake with modifier LC?

Reporting a single vessel modifier when the cath lab report documents intervention in multiple coronary territories, which requires a modifier per vessel.

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.