More than 1.5 million Americans receive home oxygen therapy, making it one of the most prescribed durable medical equipment (DME) categories in the country. Whether you're a DME supplier, hospital discharge planner, or home health professional, understanding the landscape of home oxygen concentrators, liquid oxygen systems, and compressed gas cylinders is essential for appropriate patient setup.
Who Needs Home Oxygen Therapy?
Home oxygen therapy is prescribed when resting arterial oxygen saturation (SpO₂) falls below 88% or PaO₂ drops below 55 mmHg on room air. Common diagnoses include:
- COPD (Chronic Obstructive Pulmonary Disease) — the most common indication
- Pulmonary fibrosis and interstitial lung disease
- Congestive heart failure with hypoxemia
- Pulmonary hypertension
- Cystic fibrosis
- Lung cancer and post-thoracic surgery recovery
Stationary Home Oxygen Concentrators
Stationary home oxygen concentrators are the most cost-effective long-term oxygen delivery solution. They draw in ambient air, filter out nitrogen through a molecular sieve (zeolite), and deliver 90–96% pure oxygen continuously. Key specifications to consider:
- Flow rate: Most stationary concentrators deliver 1–5 LPM (liters per minute) continuous flow. High-flow models (e.g., Invacare Platinum 10) deliver up to 10 LPM for high-demand patients.
- Oxygen purity: Look for ≥90% O₂ purity at maximum flow rate.
- Noise level: Measured in decibels (dB). Patient comfort matters — quieter units (40–45 dB) are preferred for bedroom placement.
- Power consumption: Ranges from 150–600 watts. Energy-efficient models reduce patient electricity costs.
Top stationary concentrators include the DeVilbiss 5L, Invacare Platinum 5, Philips EverFlo, and Caire Companion 5.
Portable Oxygen Concentrators: Freedom for Active Patients
Portable oxygen concentrators (POCs) have revolutionized oxygen therapy by allowing patients to travel, exercise, and live active lives. Unlike stationary units, POCs run on rechargeable batteries and can be carried like a shoulder bag. Important distinctions:
- Pulse dose vs. continuous flow: Most POCs deliver oxygen in pulse-dose mode (triggered by the patient's inhale). Only a few models (Respironics SimplyGo, Inogen At Home) deliver true continuous flow.
- FAA approval: If your patient travels by air, the POC must be FAA-approved. Virtually all major POCs are FAA-compliant, but verify before prescribing.
- Battery life: Ranges from 2 hours (Inogen One G4) to 8+ hours with extended batteries.
- Weight: From 2.8 lbs (Inogen One G4) to 10 lbs (Philips SimplyGo). Lighter units are preferred for ambulatory patients.
Leading portable oxygen concentrator brands include CAIRE (FreeStyle Comfort, Satellite), Inogen (One G4, G5), Philips Respironics (SimplyGo Mini), Invacare (Solo2), and GCE Healthcare (Zen-O).
Oxygen Delivery Accessories
Beyond the concentrator itself, complete oxygen therapy equipment setups require:
- Nasal cannulas (standard, high-flow, curved-prong, pediatric)
- Oxygen masks (simple, partial rebreather, non-rebreather, Venturi)
- Humidifier bottles for flows above 4 LPM
- Extension tubing (up to 50 feet for home ambulation)
- Oxygen tubing connectors and swivel adapters
- Carrying cases and carts for portable units
Prescription Requirements and Medicare Coverage
Home oxygen concentrators are Class II medical devices requiring a prescription. Medicare Part B covers home oxygen therapy (HCPCS code E1390 for stationary concentrators) when:
- A physician certifies medical necessity
- SpO₂ ≤88% or PaO₂ ≤55 mmHg documented on qualifying test
- The supplier is a Medicare-enrolled DME provider
Medicare pays a monthly rental fee for 36 months, after which the equipment transfers to the patient. Most private insurers follow similar coverage criteria.
Sourcing Oxygen Equipment for Your DME Business
Healix stocks a comprehensive range of home oxygen therapy equipment including stationary concentrators, portable POCs, nasal cannulas, oxygen masks, humidifiers, and tubing from DeVilbiss, Invacare, Philips Respironics, CAIRE, and Inogen. Browse our respiratory equipment catalog or contact us for DME supplier pricing.