Summary & Overview
CPT 92978: Intravascular Imaging and Interpretation for Coronary Vessel
CPT code 92978 denotes an add-on intravascular imaging and interpretation procedure performed during coronary catheterization procedures. The code captures imaging of the initial coronary vessel or graft using intravascular ultrasound (IVUS) or optical coherence tomography (OCT) to assess lesion morphology, stent placement, or residual disease before or after therapeutic intervention. Nationally, accurate reporting of 92978 supports clinical documentation of coronary imaging adjuncts and informs payment for complex percutaneous coronary procedures.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of coding intent and clinical context, payer coverage considerations, and benchmarking information where available. The publication summarizes common billing scenarios for intravascular imaging add-on reporting, highlights documentation elements tied to image acquisition and interpretation, and outlines areas where policy updates or insurer-specific guidance commonly affect claim adjudication.
This resource is designed for coding managers, interventional cardiology clinicians, and revenue cycle staff seeking a clear national-level reference for CPT code 92978, including operational implications for procedure reporting and claims processing. Data not available in the input is noted where applicable.
Billing Code Overview
CPT code 92978 is an add-on intravascular imaging and interpretation procedure used when a provider advances a catheter into a coronary vessel or previously placed graft and uses intravascular ultrasound or optical coherence tomography to visualize the extent of a blockage, stent placement, or other coronary anatomy before or after therapeutic intervention. The provider interprets the acquired images and reports the findings. Use of CPT code 92978 reports imaging of the initial vessel.
Service type: Intravascular imaging and interpretation (diagnostic imaging adjunct to coronary interventions)
Typical site of service: Cardiac catheterization laboratory or interventional cardiology suite (inpatient or outpatient hospital setting; may also occur in ambulatory surgery centers where coronary interventions are performed)
Clinical & Coding Specifications
Clinical Context
A 67-year-old male with exertional chest pain and a history of hypertension and hyperlipidemia is brought to the cardiac catheterization lab for coronary angiography after a positive stress test. Diagnostic coronary angiography identifies a focal severe stenosis of the mid-left anterior descending artery. The interventional cardiologist decides to perform percutaneous coronary intervention (PCI) with stent placement. During the procedure, the provider advances an intravascular imaging catheter (intravascular ultrasound [IVUS] or optical coherence tomography [OCT]) into the treated coronary vessel to visualize lesion morphology, guide stent sizing and positioning, evaluate stent expansion and apposition, and assess for residual dissection or thrombus. The provider interprets the images in real time and documents findings and measurements in the operative record. This imaging is reported using 92978 as an add-on code for imaging of the initial vessel, billed in conjunction with the primary coronary intervention codes. Typical site of service is an inpatient or outpatient cardiac catheterization laboratory or ambulatory surgical center during a coronary angiography/PCI encounter.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | Use when reporting only the physician interpretation component separated from technical component. |