Oxygen Therapy Equipment & Supplies
Oxygen therapy equipment including concentrators, liquid oxygen systems, and portable oxygen solutions for home and travel use.
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Equipment Types
Browse subcategories of oxygen therapy equipment covered by Medicare
Oxygen Concentrators
Stationary and portable oxygen concentrators that extract oxygen from room air for continuous home o…
Browse Oxygen ConcentratorsLiquid Oxygen Systems
Liquid oxygen reservoirs and portable units that provide high-flow oxygen therapy for active patient…
Browse Liquid Oxygen SystemsOxygen Cylinders & Tanks
Compressed oxygen cylinders and tanks for backup oxygen supply and portable use.
Browse Oxygen Cylinders & TanksOxygen Accessories & Supplies
Oxygen masks, cannulas, tubing, humidifiers, and accessories for oxygen therapy systems.
Browse Oxygen Accessories & SuppliesMedicare Coverage for Home Oxygen Therapy
What Medicare Covers
Medicare Part B covers home oxygen equipment and supplies when your doctor determines you have a medical condition that causes low blood oxygen levels.
Qualifying conditions include: - COPD (chronic obstructive pulmonary disease) - Pulmonary hypertension - Severe lung disease - Heart failure with documented low oxygen levels - Other conditions causing hypoxemia
Qualification criteria: Your oxygen saturation must be at or below 88% (or PaO2 at or below 55 mmHg) at rest, measured during a test ordered by your doctor. Some patients qualify with oxygen saturation between 89% and 92% if they have additional complications.
What's covered: - Home oxygen concentrators - Portable oxygen concentrators (POCs) for ambulatory patients - Oxygen tanks and cylinders - Liquid oxygen systems - Tubing, nasal cannulas, and masks - Humidifier bottles
Your cost: After your Part B deductible, Medicare pays 80% of the approved amount. You pay 20%. Medicare rents oxygen equipment for 36 months; after 36 months, the supplier continues providing equipment and supplies but no longer receives rental payments.
Prior authorization: A doctor must perform qualifying tests and submit a Certificate of Medical Necessity (CMN) to Medicare before equipment is provided.
Coverage varies by individual circumstances. Confirm your specific benefits with your insurance provider.
How to Get Home Oxygen: Step by Step
The Ordering Process
Step 1: Doctor evaluation and testing Your doctor orders blood oxygen tests — either an arterial blood gas (ABG) or pulse oximetry. The test must show your oxygen level qualifies under Medicare's criteria. Testing usually happens in a clinic or hospital setting.
Step 2: Certificate of Medical Necessity (CMN) Your doctor completes and signs a CMN for home oxygen therapy. This form documents your diagnosis, oxygen saturation levels, the type of oxygen system needed, and the flow rate.
Step 3: Choose a Medicare-enrolled supplier Your doctor or hospital case manager will refer you to a Medicare-enrolled oxygen supplier. You have the right to choose any Medicare-enrolled supplier who serves your area.
Step 4: Home assessment Most suppliers send a respiratory therapist or technician to your home before delivery. They assess your living space, electrical outlets (for concentrators), and explain safe oxygen use.
Step 5: Equipment delivery and setup Delivery typically happens within 1–3 business days for urgent cases. The technician sets up the equipment, explains how to use it safely, and answers your questions.
Step 6: Ongoing support Your supplier is responsible for maintaining and replacing equipment that breaks down. They should provide backup oxygen in case of power outages and schedule regular follow-up visits.
Safety reminder: Oxygen is flammable. Never smoke or allow open flames near oxygen equipment. Keep tanks away from heat sources.
Find Oxygen Therapy Suppliers Near You
Medicare-approved DME suppliers in your area
Related Conditions
Medical conditions commonly treated with oxygen therapy equipment
Frequently Asked Questions
Medicare requires your blood oxygen saturation to be at or below 88% (or PaO2 ≤55 mmHg) at rest, or between 89–92% with documented complications. Your doctor orders a qualifying blood oxygen test to determine eligibility.
Yes. Medicare covers portable oxygen concentrators (POCs) for patients who are ambulatory and need oxygen outside the home. Your doctor must document that you are mobile and would benefit from portable oxygen.
Medicare rents home oxygen equipment for up to 36 months (3 years). After month 36, Medicare stops paying rental fees but your supplier is still required to provide equipment and supplies for as long as you need them — at no additional rental cost.
Your Medicare-enrolled oxygen supplier is required to have a plan for power outages. This may include backup tanks or cylinders, a generator rental program, or emergency delivery. Ask your supplier about their emergency backup policy before you need it.
Yes, but it requires planning. Portable oxygen concentrators are FAA-approved for air travel (check with your airline). Your supplier should help arrange oxygen for trips. Liquid oxygen or tank systems have additional travel restrictions. Give your supplier at least 2 weeks notice for travel arrangements.
Medicare requires annual recertification of your oxygen need. If your doctor determines your oxygen levels no longer qualify (above 88% at rest without oxygen), Medicare may stop covering the equipment. In some cases, patients are retested while not using oxygen to see if they still qualify.