A9579 Gad-base mr contrast not otherwise specified,1ml
Also known as: Gd-based MRI contrast, gadolinium agent unspecified
Gadolinium-based magnetic resonance imaging contrast agent not otherwise specified at 1 milliliter concentration.
In Plain Language
MRI dye; imaging contrast for magnetic resonance
Clinical Context
Used as a catch-all code for gadolinium-based MRI contrast agents not specifically listed elsewhere.
RVU Information
CPT A9579 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 A9579?
CPT A9579 (Gad-base mr contrast not otherwise specified,1ml) is a A Codes code. Gadolinium-based magnetic resonance imaging contrast agent not otherwise specified at 1 milliliter concentration.
Does Medicare cover A9579?
Medicare coverage for A9579 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used as a catch-all code for gadolinium-based MRI contrast agents not specifically listed elsewhere. A physician order is typically required.
When is CPT A9579 used?
Used as a catch-all code for gadolinium-based MRI contrast agents not specifically listed elsewhere.
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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.