A4483 HCPCS Level II code: Moisture exchanger, disposable, for use with invasive mechanical ventilation

A4483 is the HCPCS code for “Moisture exchanger, disposable, for use with invasive mechanical ventilation” in CMS’s October 2026 release, in effect from Oct 1, 2026.

Official description

A4483

Moisture exchanger, disposable, for use with invasive mechanical ventilation

Short description: Moisture exchanger

HCPCS · United States

Medicare details

The indicators CMS publishes with A4483 in its October 2026 file. They describe Medicare’s handling, not another payer’s.

Medicare coverage
Special coverage instructions apply
Medicare pricing
DMEPOS fee schedule – Ostomy, tracheostomy and urological supplies (price subject to floors and ceilings)
Type of service
Lump sum purchase of DME, prosthetics, orthotics
BETOS category
Prosthetic/Orthotic devices
Added
Jan 1, 1999

Where A4483 sits

  1. 1A codesAmbulance, supplies and miscellaneous
  2. 2Active code A4483Moisture exchanger, disposable, for use with invasive mechanical ventilation

Source and release

Data release
HCPCS Level II · October 2026
Effective date
Oct 1, 2026
Publisher
CMS

This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

What does HCPCS code A4483 mean?

A4483 is the HCPCS code for “Moisture exchanger, disposable, for use with invasive mechanical ventilation” in CMS’s HCPCS Level II October 2026 release.

Does Medicare cover A4483?

CMS lists A4483’s Medicare coverage as “Special coverage instructions apply” and its pricing as “DMEPOS fee schedule – Ostomy, tracheostomy and urological supplies (price subject to floors and ceilings)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.

Which HCPCS Level II release does this page use?

It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.