A4559 Coupling gel or paste
Also known as: ultrasound gel, coupling gel
Coupling gel or paste for ultrasound and therapeutic applications.
In Plain Language
medical contact jelly
Clinical Context
Used as coupling medium for ultrasound therapy and diagnostic imaging. Provides acoustic contact and reduces friction between transducer and skin.
RVU Information
CPT A4559 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 A4559?
CPT A4559 (Coupling gel or paste) is a A Codes code. Coupling gel or paste for ultrasound and therapeutic applications.
Does Medicare cover A4559?
Medicare coverage for A4559 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used as coupling medium for ultrasound therapy and diagnostic imaging. Provides acoustic contact and reduces friction between transducer and skin. A physician order is typically required.
When is CPT A4559 used?
Used as coupling medium for ultrasound therapy and diagnostic imaging. Provides acoustic contact and reduces friction between transducer and skin.
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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.