A9521 Tc99m exametazime
Also known as: Ceretec, exametazime, Tc-99m exametazime
Technetium Tc-99m exametazime injection used as a radiotracer for white blood cell and brain imaging.
In Plain Language
brain imaging dye; infection detection tracer
Clinical Context
Used in nuclear medicine for cerebral perfusion imaging, detection of infection and inflammation, and white blood cell labeling.
RVU Information
CPT A9521 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 A9521?
CPT A9521 (Tc99m exametazime) is a A Codes code. Technetium Tc-99m exametazime injection used as a radiotracer for white blood cell and brain imaging.
Does Medicare cover A9521?
Medicare coverage for A9521 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used in nuclear medicine for cerebral perfusion imaging, detection of infection and inflammation, and white blood cell labeling. A physician order is typically required.
When is CPT A9521 used?
Used in nuclear medicine for cerebral perfusion imaging, detection of infection and inflammation, and white blood cell labeling.
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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.