A7046 Repl water chamber, pap device
Also known as: water chamber, humidifier reservoir, water tank
Replacement water chamber for positive airway pressure device used in humidification systems.
In Plain Language
water cup; humidity container; moisture chamber
Clinical Context
Replacement component for positive airway pressure humidifiers. Holds water for adding moisture to delivered air.
RVU Information
CPT A7046 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 A7046?
CPT A7046 (Repl water chamber, pap device) is a A Codes code. Replacement water chamber for positive airway pressure device used in humidification systems.
Does Medicare cover A7046?
Medicare coverage for A7046 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Replacement component for positive airway pressure humidifiers. Holds water for adding moisture to delivered air. A physician order is typically required.
When is CPT A7046 used?
Replacement component for positive airway pressure humidifiers. Holds water for adding moisture to delivered air.
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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.