Oxygen and Oxygen Equipment
National · Effective Apr 1, 2023
2 active Medicare policies list E0446, and 11 commercial payer policies list it. See each policy's status for the code and its official source. Listing a code is not a coverage decision: read each policy’s source for the requirements that apply.
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National · Effective Apr 1, 2023
National · Effective Oct 2, 2025
11 policies from 10 payers
Summary of the payer’s published policy. Not a coverage determination — confirm with the payer before submitting.
| Policy | Effective | Status of E0446 |
|---|---|---|
| Alzheimer's Disease: Experimental, Investigational, or Unproven Treatments | Feb 20, 2024 | Covered |
| Hyperbaric Oxygen Therapy (HBOT) | Apr 6, 2023 | Covered |
| Policy | Effective | Status of E0446 |
|---|---|---|
| Hyperbaric Oxygen (HBO2) Therapy | Jan 1, 2026 | Covered |
| Policy | Effective | Status of E0446 |
|---|---|---|
| Hyperbaric Oxygen (HBO2) Therapy |
|---|
| Jan 1, 2026 |
| Covered |
| Policy | Effective | Status of E0446 |
|---|---|---|
| Hyperbaric Oxygen (HBO2) Therapy | Jan 1, 2026 | Covered |
| Policy | Effective | Status of E0446 |
|---|---|---|
| Hyperbaric Oxygen (HBO2) Therapy | Jan 1, 2026 | Covered |
| Policy | Effective | Status of E0446 |
|---|---|---|
| Cigna Medicare Advantage Durable Medical Equipment Code List | Jan 1, 2025 | Prior auth required |
| Policy | Effective | Status of E0446 |
|---|---|---|
| Hyperbaric Oxygen Therapy | Jan 1, 2026 | Covered |
| Policy | Effective | Status of E0446 |
|---|---|---|
| Topical Oxygen Therapy – Surest Medical Policy | Oct 1, 2026 | Covered |
| Policy | Effective | Status of E0446 |
|---|---|---|
| Hyperbaric Oxygen Therapy and Topical Oxygen Therapy | May 1, 2026 | Covered |
| Policy | Effective | Status of E0446 |
|---|---|---|
| Hyperbaric Oxygen Therapy and Topical Oxygen Therapy | May 1, 2026 | Covered |