LC HCPCS Level II modifier: Left circumflex coronary artery

LC is a HCPCS Level II modifier: “Left circumflex coronary artery.” It adds this detail to the code it is reported with.

Official description

LC

Left circumflex coronary artery

Short description: Lft circum coronary artery

HCPCS · United States

Medicare details

The indicators CMS publishes with LC in its October 2026 file. They describe Medicare’s handling, not another payer’s.

Medicare coverage
Carrier judgment
Added
Jan 1, 1997

Where LC sits

  1. 1GroupHCPCS modifiers
  2. 2Modifier LCLeft circumflex coronary artery

Source and release

Data release
HCPCS Level II · October 2026
Effective date
Oct 1, 2026
Publisher
CMS

This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

What does HCPCS code LC mean?

LC is the HCPCS code for “Left circumflex coronary artery” in CMS’s HCPCS Level II October 2026 release.

Where is LC in the HCPCS Level II list?

LC is listed under Modifiers.

Does Medicare cover LC?

CMS lists LC’s Medicare coverage as “Carrier judgment”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.

Which HCPCS Level II release does this page use?

It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.