A4650 Implant radiation dosimeter
Also known as: radiation dosimeter, dose monitor, implanted dosimeter
An implantable radiation dosimeter or dose measurement device inserted into or near treatment area to monitor and measure radiation dose delivery during brachytherapy or external beam radiation.
In Plain Language
tiny device measuring radiation exposure; radiation detector implant
Clinical Context
Used in brachytherapy and radiation therapy to verify dose delivery. Helps ensure treatment plans are delivered as prescribed and protects normal tissues.
RVU Information
CPT A4650 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 A4650?
CPT A4650 (Implant radiation dosimeter) is a A Codes code. An implantable radiation dosimeter or dose measurement device inserted into or near treatment area to monitor and measure radiation dose delivery during brachytherapy or external beam radiation.
Does Medicare cover A4650?
Medicare coverage for A4650 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used in brachytherapy and radiation therapy to verify dose delivery. Helps ensure treatment plans are delivered as prescribed and protects normal tissues. A physician order is typically required.
When is CPT A4650 used?
Used in brachytherapy and radiation therapy to verify dose delivery. Helps ensure treatment plans are delivered as prescribed and protects normal tissues.
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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.