92920

Percutaneous transluminal coronary angioplasty; single major coronary artery or branch

Percutaneous transluminal coronary angioplasty (PTCA) of a single major coronary artery or one of its branches (e.g., left anterior descending, circumflex, right coronary artery, or a major diagonal/obtuse marginal). This procedure involves the insertion of a catheter into a peripheral artery (e.g., femoral, radial), advancing it to the coronary arteries, identifying a significant stenosis (narrowing), and then using a balloon-tipped catheter to dilate the narrowed segment, thereby improving blood flow to the myocardium. This code is reported for the initial vessel treated during a session.

Clinical Indications

  • Symptomatic coronary artery disease (CAD) with significant stenosis (typically >70% or >50% in specific clinical contexts) leading to myocardial ischemia.
  • Unstable angina pectoris refractory to medical therapy.
  • Non-ST-segment elevation myocardial infarction (NSTEMI).
  • ST-segment elevation myocardial infarction (STEMI) where primary percutaneous coronary intervention (PCI) is indicated for revascularization.
  • Stable angina pectoris with evidence of significant ischemia on non-invasive stress testing.
  • Angina or ischemia occurring post-myocardial infarction.
  • Myocardial viability with significant stenosis in a territory relevant to symptoms or ischemia.

Procedure Steps

  1. Patient preparation, including obtaining informed consent and administration of local anesthesia at the access site (e.g., femoral or radial artery).
  2. Vascular access established via arterial puncture and insertion of an introducer sheath.
  3. Advancement of a guiding catheter under fluoroscopic guidance to the ostium of the target coronary artery.
  4. Performance of coronary angiography to visualize the coronary anatomy, identify the stenotic lesion(s), and plan the intervention.
  5. Advancement of a guidewire across the coronary stenosis.
  6. Delivery of a balloon-tipped angioplasty catheter over the guidewire and positioning it within the stenotic segment.
  7. Inflation of the balloon one or more times to dilate the narrowed artery, compressing atherosclerotic plaque against the vessel wall.
  8. Repeat angiography to assess the immediate results of the angioplasty, evaluate for residual stenosis, dissection, or other complications.
  9. Removal of the guidewire and angioplasty catheter.
  10. Removal of the introducer sheath and achievement of hemostasis at the vascular access site.

Coding Guidelines

  • Report code 92920 for the angioplasty of the first major coronary artery or branch treated in a session.
  • If angioplasty is performed on additional major coronary arteries or branches during the same session, report add-on code 92921 for each additional vessel.
  • This code includes all necessary angiography, fluoroscopy, road mapping, and other imaging guidance performed inherently as part of the angioplasty procedure.
  • Diagnostic coronary angiography (e.g., 93454-93461) performed immediately prior to and leading to the intervention in the same session may be considered inclusive and not separately reported. However, if diagnostic angiography is performed in a separate session or on a different date, it may be reported separately.
  • If a coronary stent (e.g., codes 92928, 92929) is placed in a vessel following angioplasty in the same vessel, the angioplasty is considered inherent to the stent placement, and only the stent code should be reported for that specific vessel. Code 92920 is used when angioplasty is performed without stent placement in that vessel.
  • Documentation must clearly identify the coronary artery or branch treated, the degree of stenosis, the indication for the procedure, and the post-procedure results.
  • This code typically has a 0-day global period.

Associated ICD-10 Codes