E0550 – Humidifier, durable for extensive supplemental humidification during ippb treatments or oxygen delivery

HCPCS Level II code · E codes: Durable Medical Equipment (DME)

Active code Special coverage instructions apply

HCPCS codeE0550
Long description
Humidifier, durable for extensive supplemental humidification during ippb treatments or oxygen delivery
Short description
Humidif extens supple w ippb
Pricing indicator
33 DME – oxygen and oxygen equipment
Medicare coverage
D Special coverage instructions apply
BETOS category
D1E Other DME
Added
January 1, 1986
Last change
July 1, 2005 – No change

Frequently asked questions

What is HCPCS code E0550?

E0550 is a HCPCS Level II code for humidifier, durable for extensive supplemental humidification during ippb treatments or oxygen delivery.

Does Medicare cover E0550?

The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby E codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.