C9604 – Percutaneous transluminal revascularization of or through coronary artery bypass graft (internal mammary, free arterial, venous), any combination of drug-eluting intracoronary stent, atherectomy and angioplasty, including distal protection when performed; single vessel
HCPCS Level II code · C codes: Outpatient PPS (Hospital Outpatient)
HCPCS codeC9604
- Long description
- Percutaneous transluminal revascularization of or through coronary artery bypass graft (internal mammary, free arterial, venous), any combination of drug-eluting intracoronary stent, atherectomy and angioplasty, including distal protection when performed; single vessel
- Short description
- Perc d-e cor revasc t cabg s
- Pricing indicator
53Statute- Medicare coverage
DSpecial coverage instructions apply- BETOS category
P2FMajor procedure, cardiovascular-Other- ASC
- Approved for ambulatory surgical centers
- Added
- January 1, 2013
- Last change
- January 1, 2026 – No change
Frequently asked questions
What is HCPCS code C9604?
C9604 is a HCPCS Level II code for percutaneous transluminal revascularization of or through coronary artery bypass graft (internal mammary, free arterial, venous), any combination of drug-eluting intracoronary stent, atherectomy and angioplasty, including distal protection when performed; single vessel.
Does Medicare cover C9604?
The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby C codes
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- C9494 – Injection, ocrelizumab, 1 mg
- C9497 – Loxapine, inhalation powder, 10 mg
- C9507 – Plasma, high titer covid-19 convalescent, each unit
- C9600 – Percutaneous transcatheter placement of drug eluting intracoronary stent(s), with coronary angioplasty when performed; single major coronary artery or branch
- C9601 – Percutaneous transcatheter placement of drug-eluting intracoronary stent(s), with coronary angioplasty when performed; each additional branch of a major coronary artery (list separately in addition to code for primary procedure)
- C9602 – Percutaneous transluminal coronary atherectomy, with drug eluting intracoronary stent, with coronary angioplasty when performed; single major coronary artery or branch
- C9603 – Percutaneous transluminal coronary atherectomy, with drug-eluting intracoronary stent, with coronary angioplasty when performed; each additional branch of a major coronary artery (list separately in addition to code for primary procedure)
- C9605 – Percutaneous transluminal revascularization of or through coronary artery bypass graft (internal mammary, free arterial, venous), any combination of drug-eluting intracoronary stent, atherectomy and angioplasty, including distal protection when performed; each additional branch subtended by the bypass graft (list separately in addition to code for primary procedure)
- C9606 – Percutaneous transluminal revascularization of acute total/subtotal occlusion during acute myocardial infarction, coronary artery or coronary artery bypass graft, any combination of drug-eluting intracoronary stent, atherectomy and angioplasty, including aspiration thrombectomy when performed, single vessel
- C9607 – Percutaneous transluminal revascularization of chronic total occlusion, coronary artery, coronary artery branch, or coronary artery bypass graft, any combination of drug-eluting intracoronary stent, atherectomy and angioplasty; single vessel
- C9608 – Percutaneous transluminal revascularization of chronic total occlusion, coronary artery, coronary artery branch, or coronary artery bypass graft, any combination of drug-eluting intracoronary stent, atherectomy and angioplasty; each additional coronary artery, coronary artery branch, or bypass graft (list separately in addition to code for primary procedure)
- C9610 – Catheter, transluminal drug delivery with or without angioplasty, coronary, non-laser (insertable)
- C9724 – Endoscopic full-thickness plication of the stomach using endoscopic plication system (eps); includes endoscopy
- C9725 – Placement of endorectal intracavitary applicator for high intensity brachytherapy
- C9726 – Placement and removal (if performed) of applicator into breast for intraoperative radiation therapy, add-on to primary breast procedure
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.