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A4639 Infrared ht sys replcmnt pad

A Codes

Also known as: heating pad, infrared pad, heat pad replacement

A replacement heating pad or heating element for an infrared heat therapy system used for pain relief and therapeutic warming. Provides localized therapeutic heat via infrared radiation.

In Plain Language

replacement heat pad for therapy; heating element for heat treatment

Clinical Context

Used in pain management and rehabilitation for muscle relaxation, improved circulation, and arthritis management. Worn pads reduce heat efficiency and require replacement.

RVU Information

CPT A4639 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

Physical MedicinePain ManagementRheumatology

Frequently Asked Questions

What is CPT code A4639?

CPT A4639 (Infrared ht sys replcmnt pad) is a A Codes code. A replacement heating pad or heating element for an infrared heat therapy system used for pain relief and therapeutic warming. Provides localized therapeutic heat via infrared radiation.

Does Medicare cover A4639?

Medicare coverage for A4639 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used in pain management and rehabilitation for muscle relaxation, improved circulation, and arthritis management. Worn pads reduce heat efficiency and require replacement. A physician order is typically required.

When is CPT A4639 used?

Used in pain management and rehabilitation for muscle relaxation, improved circulation, and arthritis management. Worn pads reduce heat efficiency and require 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.