A4633 Uvl replacement bulb
Also known as: UV bulb, ultraviolet bulb, light bulb
A replacement bulb or lamp for ultraviolet light (UVL) therapy equipment used in treating skin conditions. Emits ultraviolet radiation for phototherapy purposes.
In Plain Language
light bulb for UV therapy; replacement light for light therapy
Clinical Context
Used in phototherapy for psoriasis, vitiligo, eczema, and other photosensitive dermatological conditions. Bulbs lose effectiveness over time and require periodic replacement.
RVU Information
CPT A4633 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 A4633?
CPT A4633 (Uvl replacement bulb) is a A Codes code. A replacement bulb or lamp for ultraviolet light (UVL) therapy equipment used in treating skin conditions. Emits ultraviolet radiation for phototherapy purposes.
Does Medicare cover A4633?
Medicare coverage for A4633 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used in phototherapy for psoriasis, vitiligo, eczema, and other photosensitive dermatological conditions. Bulbs lose effectiveness over time and require periodic replacement. A physician order is typically required.
When is CPT A4633 used?
Used in phototherapy for psoriasis, vitiligo, eczema, and other photosensitive dermatological conditions. Bulbs lose effectiveness over time and require periodic replacement.
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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.