Summary & Overview
CPT 75901: Imaging Supervision for Catheter Obstruction Removal
CPT code 75901 denotes imaging supervision and interpretation performed during mechanical removal of obstructions surrounding central venous access devices or catheters. Nationally relevant for hospitals, interventional radiology services, and ambulatory procedural centers, this code captures the physician or qualified provider’s role in real-time imaging oversight and diagnostic interpretation when clearing catheter-related blockages such as thrombus, fibrin sheaths, or tissue ingrowth. Proper use affects billing for image-guided catheter maintenance and can influence facility and professional revenue streams for catheter salvage procedures.
Key payers commonly involved in coverage decisions include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the code’s clinical scope, typical service settings, and what to expect in terms of documentation needs and clinical context. The publication provides benchmarks where available, summaries of relevant policy considerations, and guidance on common billing modifiers and payer-specific behaviors. Data limitations are noted where input fields were not provided.
This summary is intended to help revenue leaders, coding professionals, and clinical managers understand when CPT code 75901 is applicable, how it maps to interventional imaging workflows, and which stakeholders typically review coverage and reimbursement for these services.
Billing Code Overview
CPT code 75901 describes imaging supervision and interpretation for mechanical removal of obstructions around a central venous access device or catheter. The procedure covers imaging-guided monitoring and reading of studies performed while mechanically clearing obstacles such as thrombus, fibrin sheaths, tissue, or external material that impede catheter function.
Service type: Imaging supervision and interpretation during catheter-related mechanical thrombectomy/obstruction removal
Typical site of service: Hospital inpatient or outpatient interventional radiology suite, ambulatory surgical center, or other procedural setting where central venous catheters are managed and mechanically treated
Clinical & Coding Specifications
Clinical Context
A 62-year-old oncology patient with an implanted tunneled central venous catheter (port-a-cath) presents with poor infusion flow and swelling at the catheter exit site. The interventional radiology team is consulted after fibrinolytic therapy yields incomplete restoration of flow. The provider obtains informed consent and prepares for image-guided mechanical declotting of the catheter lumen and any surrounding fibrin sheath under fluoroscopic guidance. The patient is positioned in the angiography suite; sterile technique is used. A digital subtraction fluoroscopic study documents catheter occlusion, and the provider performs supervised imaging, directs device manipulation (for example mechanical thrombectomy device, snare, or forceps), and interprets real-time imaging to confirm restoration of patency and absence of vascular injury. Post-procedure, hemostasis is achieved, procedural images and interpretation are documented, and the patient is monitored in recovery prior to discharge or return to the oncology unit. Typical billing reflects separate professional and technical components when applicable and may require modifiers for emergent circumstances, physician assistant involvement, or reduced services.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | Use when billing only the physician interpretation and supervision portion separate from the technical component. |