A4750 Artery or venous blood tubing
Also known as: blood line, arterial line, venous line
Sterile tubing used for arterial or venous blood access during hemodialysis connecting patient vascular access to dialysis machine. Part of extracorporeal circuit.
In Plain Language
tube connecting access to dialysis machine; blood tubing
Clinical Context
Used in hemodialysis circuit to convey blood between patient and dialyzer. Arterial line removes blood; venous line returns it. Changed with each dialysis session.
RVU Information
CPT A4750 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.
Billing & Documentation
HCPCS A-codes cover medical supplies, equipment, and transport services. Documentation must establish medical necessity and include a physician order. For durable medical equipment (DME), a Certificate of Medical Necessity (CMN) or detailed written order may be required.
Specialties
Frequently Asked Questions
What is CPT code A4750?
CPT A4750 (Artery or venous blood tubing) is a A Codes code. Sterile tubing used for arterial or venous blood access during hemodialysis connecting patient vascular access to dialysis machine. Part of extracorporeal circuit.
Does Medicare cover A4750?
Medicare coverage for A4750 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used in hemodialysis circuit to convey blood between patient and dialyzer. Arterial line removes blood; venous line returns it. Changed with each dialysis session. A physician order is typically required.
When is CPT A4750 used?
Used in hemodialysis circuit to convey blood between patient and dialyzer. Arterial line removes blood; venous line returns it. Changed with each dialysis session.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.