HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating a specific vessel (left anterior descending coronary artery) in a stent placement, balloon angioplasty, and/or atherectomy.

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating when a durable medical equipment (DME) lease or rental fee is to be applied against the purchase price.

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating laboratory round-trip service.

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating a U.S. Food and Drug Administration–monitored intraocular lens implant.

HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating procedures performed on the left side of the body.