A4305 Drug delivery system >=50 milliliters
Also known as: large infusion pump, medication reservoir
Drug delivery system with capacity of 50 milliliters or greater, an infusion pump reservoir or container designed for continuous or intermittent medication delivery.
In Plain Language
large medication holder; drug pump container
Clinical Context
Used for prolonged medication infusions including chemotherapy, antibiotics, pain medications, or insulin. Larger capacity reduces refill frequency.
RVU Information
CPT A4305 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 A4305?
CPT A4305 (Drug delivery system >=50 milliliters) is a A Codes code. Drug delivery system with capacity of 50 milliliters or greater, an infusion pump reservoir or container designed for continuous or intermittent medication delivery.
Does Medicare cover A4305?
Medicare coverage for A4305 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used for prolonged medication infusions including chemotherapy, antibiotics, pain medications, or insulin. Larger capacity reduces refill frequency. A physician order is typically required.
When is CPT A4305 used?
Used for prolonged medication infusions including chemotherapy, antibiotics, pain medications, or insulin. Larger capacity reduces refill frequency.
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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.