2025 HCPCS code E0440

Purchase of a stationary liquid oxygen system with reservoir, contents indicator, regulator, flowmeter, humidifier, nebulizer, cannula or mask, and tubing.

Use this code when the patient purchases the system, not rents it. Use RR modifier for multiple member use of reservoir.

Yes. Refer to a modifier crosswalk for appropriate HCPCS modifiers related to DME, such as RR for multiple patient use of a reservoir.

Medicare covers DME like liquid oxygen systems if the provider documents the medical necessity, indicating the equipment is required for the patient's condition and home use.

Suppliers dispense the equipment directly to patients or sell it to the provider, who then dispenses it.The provider must document the patient encounter and the medical necessity for the DME.

IMPORTANT For rental of a stationary liquid oxygen system, use E0439. For portable systems, consider E0435 (purchase) or E0433 (rental).

In simple words: This code covers the purchase of a liquid oxygen system for use at home.It includes a tank, a gauge to show how much oxygen is left, parts to control and measure the oxygen flow, a humidifier to keep the air moist, a nebulizer to deliver medication, a mask or nosepiece, and tubing.

This code represents the purchase of a stationary liquid oxygen system that includes a reservoir with a contents indicator, a regulator and flowmeter to control and measure oxygen flow, a humidifier and nebulizer for medication delivery, a cannula or mask for oxygen administration, and necessary tubing.

Example 1: A patient with severe COPD requires continuous oxygen therapy at home and purchases a stationary liquid oxygen system., A patient with cystic fibrosis needs regular nebulizer treatments and purchases a stationary system for convenient home use., A physician purchases a stationary liquid oxygen system for their office to provide oxygen therapy to patients during visits.

Documentation should include the patient's diagnosis, the medical necessity for the liquid oxygen system, and the specific components included in the system.

  • Payment Status: Active
  • Specialties:Pulmonology, Respiratory Therapy, Internal Medicine
  • Place of Service:Home, Office
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