Summary & Overview
CPT 75743: Selective Bilateral Pulmonary Artery Angiography, Supervision & Interpretation
CPT code 75743 covers the radiological supervision and interpretation component of selective bilateral pulmonary artery angiography, a diagnostic X‑ray procedure using contrast to visualize pulmonary vasculature. This code represents an imaging service critical for diagnosing pulmonary embolism, pulmonary arterial hypertension, vascular malformations, and pre‑procedural vascular mapping. Nationally, accurate reporting of supervision and interpretation codes affects clinical documentation, care coordination, and billing integrity for complex vascular imaging.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical context for pulmonary angiography, typical sites of service, common payer considerations, and benchmarking topics relevant to imaging supervision and interpretation. The publication outlines reimbursement and claim structure themes, common modifiers used in practice (provided in the input), and areas where documentation frequently determines code assignment.
This analysis is intended to inform clinical coders, billers, radiology administrators, and policy analysts about the role and national implications of CPT code 75743, and to summarize what readers can expect regarding coverage patterns, coding nuances, and operational implications for hospital and outpatient imaging services.
Billing Code Overview
CPT code 75743 describes the radiological supervision and interpretation of a selective bilateral angiography of the pulmonary artery. Angiography is an X‑ray study using a radiopaque contrast agent to visualize blood vessels and is used to diagnose and guide treatment of vascular and cardiopulmonary conditions.
Service type: Diagnostic radiological supervision and interpretation
Typical site of service: Hospital radiology department or dedicated imaging center (inpatient or outpatient settings)
Clinical & Coding Specifications
Clinical Context
A 62-year-old patient presents with progressive dyspnea, unexplained hypoxemia, and signs suggestive of pulmonary embolism on CT angiography. After noninvasive imaging is inconclusive or when catheter-directed therapy is contemplated, the interventional radiology team schedules a selective bilateral pulmonary artery angiography. The procedure is performed in an angiography suite or hybrid operating room with fluoroscopic guidance. Under conscious sedation or monitored anesthesia care, vascular access (commonly via the right common femoral vein) is obtained, pulmonary arterial catheters are advanced into each main pulmonary artery and selective injections are performed while the radiologist provides real-time radiological supervision and interpretation of angiographic images. Findings may confirm thromboembolic disease, vascular malformation, or vasculopathy and guide possible subsequent interventions such as catheter-directed thrombolysis or embolectomy. Post-procedure, the patient is observed in a recovery area or inpatient unit based on clinical status and anticoagulation or intervention performed.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | Use when billing only the physician interpretation and report separate from technical services. |
53 |