2025 HCPCS Modifier code M-LD

Indicates a procedure performed on the left anterior descending coronary artery.

Refer to the official HCPCS coding guidelines and payer-specific guidelines for appropriate use.

This modifier can be used in conjunction with other appropriate HCPCS modifiers.

Medical necessity is established by the presence of significant stenosis or occlusion of the LAD artery leading to myocardial ischemia or infarction, as evidenced by symptoms, electrocardiogram findings, and/or imaging studies.

Cardiologist or cardiovascular surgeon performing the procedure on the LAD artery.

IMPORTANT Other modifiers may be used to indicate procedures on different coronary arteries (e.g., M-RC for right coronary artery, M-LC for left circumflex coronary artery, M-LM for left main coronary artery, M-RI for ramus intermedius coronary artery).

In simple words: This code tells the insurance company that a heart procedure was done on a specific artery in the heart called the LAD artery. This artery is very important for supplying blood to the heart's main pumping chamber.

The HCPCS modifier M-LD is appended to procedure codes to specify that the procedure was performed on the left anterior descending (LAD) coronary artery.The LAD artery supplies blood to the left ventricle of the heart. Procedures on the LAD artery may include angioplasty, atherectomy, stent placement, or coronary artery bypass grafting (CABG).

Example 1: Percutaneous coronary intervention (PCI) with stent placement in the LAD artery., Coronary artery bypass grafting (CABG) involving the LAD artery., Angioplasty of a stenosis in the LAD artery.

Operative report detailing the procedure performed.Angiogram showing the location and extent of the lesion in the LAD artery.Pre-operative and post-operative EKGs.

** Always refer to the most current HCPCS coding guidelines and payer-specific guidelines for accurate coding and reimbursement.

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