CPT 36901 Fluoroscopic Dialysis Angiography Reimbursement | OpenPayer

Summary & Overview

CPT 36901: Fluoroscopic Dialysis Circuit Contrast Angiography

CPT code 36901 covers fluoroscopic contrast injection and imaging of an entire dialysis circuit to assess blood flow or identify obstructions, with radiological supervision, interpretation, image capture, and reporting included. This vascular access diagnostic procedure is central to managing complications in patients on hemodialysis and has national relevance given the high prevalence of dialysis dependence and the clinical need to maintain functional access.

Key payers addressed in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find context on clinical indications and typical sites of service, an outline of commonly applied modifiers, and a national perspective on payer coverage behaviors and billing considerations where available. The publication summarizes operational benchmarks, documentation expectations for imaging and interpretation, and common coding pitfalls specific to fluoroscopic dialysis circuit studies.

This overview is intended for billing professionals, radiology and vascular specialists, and compliance staff seeking a concise reference on coding, clinical context, and payer considerations for CPT code 36901. Data not available in the input will be identified as such in the relevant sections.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareCPT 36901dialysis accessvascular imagingfluoroscopycontrast angiographyradiology codinghemodialysisdiagnostic procedure

Billing Code Overview

CPT code 36901 describes fluoroscopic catheter-directed injection of intravenous contrast to visualize the entire dialysis circuit, with radiological supervision, interpretation, image capture, and report included. The procedure involves introducing a needle and/or catheter under live X‑ray guidance to assess blood flow or locate an obstruction within a dialysis access circuit.

Service type: Image-guided diagnostic radiological evaluation of a dialysis circuit (contrast angiography)
Typical site of service: Hospital radiology suite or outpatient imaging center where fluoroscopic vascular procedures are performed

Clinical & Coding Specifications

Clinical Context

A 58-year-old patient with an established hemodialysis arteriovenous fistula (AVF) presents with prolonged bleeding at the needle sites and decreased dialysis flow during two consecutive treatments. The dialysis unit notifies the vascular access team. The interventional radiology service schedules a diagnostic dialysis circuit angiography under fluoroscopic guidance to assess blood flow, detect stenosis or thrombosis, and localize any obstruction within the arterial inflow, venous outflow, or central venous segments. On the day of service the patient is brought to an outpatient interventional radiology suite (ambulatory surgical center or hospital radiology department). The provider obtains consent, establishes sterile technique, and introduces a needle and/or catheter into the dialysis circuit under live fluoroscopy. Intravenous contrast is injected and serial digital images are captured to visualize the entire dialysis circuit. The radiologist performs real-time interpretation, documents findings in a radiology report, and communicates results to the nephrology/dialysis team. If a treatable lesion is identified during the same session, additional CPT codes for angioplasty or thrombectomy may be reported per documentation and billing rules; otherwise, the diagnostic angiographic service is reported alone using 36901 with appropriate modifier(s) as indicated by the encounter.

Coding Specifications

Modifier	Description	When to Use
`26`	Professional component

CPT 36906: Transluminal Balloon Angioplasty for Dialysis Access

CPT-36909-DIALYSIS-CIRCUIT-ENDOVASCULAR-OCCLUSION-EMBOLIZATION

CPT 36909: Permanent Endovascular Occlusion or Embolization of Dialysis Circuit

36902-INTRODUCTION-OF-NEEDLES-ANDOR-CATHETERS-DIALYSIS-CIRCUIT

CPT 36902: Angiography and Balloon Angioplasty of Dialysis Circuit

CPT-36907-DIALYSIS-ACCESS-BALLOON-ANGIOPLASTY-CENTRAL-SEGMENT

CPT 36907: Dialysis Access Balloon Angioplasty, Central Segment

CPT-36903-DIALYSIS-ACCESS-ANGIOGRAPHY-WITH-STENT-PLACEMENT

CPT 36903: Dialysis Access Angiography with Intravascular Stent Placement

CPT-36904-DIALYSIS-CIRCUIT-THROMBECTOMY-THROMBOLYSIS

CPT 36904: Dialysis Circuit Thrombectomy and Pharmacologic Thrombolysis

CPT-36908-DIALYSIS-CIRCUIT-INTRAVASCULAR-STENT-PLACEMENT

CPT 36908: Intravascular Stent Placement for Dialysis Circuit

36905-PERCUTANEOUS-TRANSLUMINAL-MECHANICAL-THROMBECTOMY-ANDOR

CPT 36905: Percutaneous Mechanical Thrombectomy for Dialysis Circuit

Taxonomy Code	Specialty	Notes
207RP1000X	Interventional Radiology	Primary specialty performing fluoroscopically guided dialysis circuit angiography.
208000000X	Diagnostic Radiology	Radiologists who perform and interpret vascular access imaging studies.
363L00000X	Vascular Surgery	Vascular surgeons who evaluate and manage dialysis access and may perform diagnostic imaging in operative settings.
311E00000X	Nephrology	Ordering and coordinating specialty; may be listed as ordering/referring provider but not typically performing the procedure.
207PR0200X	Interventional Cardiology	May perform endovascular dialysis circuit interventions in some settings.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`I97.2`	Complications of vascular prosthetic devices, implants and grafts	Relevant when evaluating dysfunction or complication of arteriovenous graft used for dialysis access.
`T82.88XA`	Other complications of cardiac and vascular devices and implants, initial encounter	Applied when initial encounter documents device-related complication affecting dialysis circuit function.
`I77.6`	Arteriovenous malformation, acquired	Relevant for abnormal vascular connections that may affect dialysis access flow and require imaging.
`N18.6`	End stage renal disease	Underlying condition necessitating hemodialysis and surveillance of the dialysis circuit.
`I80.2`	Phlebitis and thrombophlebitis of other sites	Used when thrombosis of the dialysis circuit or draining veins is suspected and diagnostic angiography is performed.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`36902`	Introduction of needle and/or catheter into dialysis circuit with transluminal balloon angioplasty, radiological supervision and interpretation; image capture and report included	Performed if a stenotic lesion is identified during the diagnostic angiography and angioplasty is completed during the same session.
`35476`	Thrombectomy, dialysis circuit, mechanical or pharmacomechanical, including radiological supervision and interpretation; may include infusion of thrombolytic agents	Used when thrombus is identified and treated during or after diagnostic angiography of the dialysis circuit.
`76000`	Fluoroscopic guidance for needle placement (limited)	May be reported when additional fluoroscopic needle guidance separate from the angiographic imaging is performed (payer rules vary).
`93582`	Diagnostic catheter angiography, radiological supervision and interpretation, arteriovenous dialysis circuit — diagnostic imaging (alternate codes may apply depending on payer)	Sometimes used by facilities or payers as related vascular imaging code; document relationship to `36901`.
`76937`	Ultrasound guidance for vascular access	Performed when ultrasound guidance is used to access the dialysis circuit prior to fluoroscopic contrast injection; billed in addition when supported by documentation.

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