A4481 Tracheostoma filter
Also known as: trach filter, heat moisture exchanger
Tracheostomy filter for airway protection and moisturization.
In Plain Language
breathing tube filter; humidity protector
Clinical Context
Used with tracheostomies to filter inspired air and conserve moisture and heat. Reduces airway irritation and secretion viscosity in patients with tracheostomies.
RVU Information
CPT A4481 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 A4481?
CPT A4481 (Tracheostoma filter) is a A Codes code. Tracheostomy filter for airway protection and moisturization.
Does Medicare cover A4481?
Medicare coverage for A4481 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used with tracheostomies to filter inspired air and conserve moisture and heat. Reduces airway irritation and secretion viscosity in patients with tracheostomies. A physician order is typically required.
When is CPT A4481 used?
Used with tracheostomies to filter inspired air and conserve moisture and heat. Reduces airway irritation and secretion viscosity in patients with tracheostomies.
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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.