Other dependence on machines, supplemental oxygen

This code signifies a patient's ongoing need for supplemental oxygen therapy due to chronic respiratory insufficiency or other conditions requiring external oxygen support. It indicates a dependency on a machine (oxygen concentrator, tank, etc.) to maintain adequate oxygen saturation levels outside of acute care settings.

Apply this code for patients with chronic obstructive pulmonary disease (COPD), interstitial lung disease, severe asthma, or other long-term conditions who require daily or intermittent supplemental oxygen at home or in a long-term care facility. It is appropriate when the oxygen use is not temporary or for an acute exacerbation.

• Always code the underlying respiratory condition first, followed by this code to indicate the dependency.
• Do not use this code for acute, short-term oxygen use, such as during a hospital stay for pneumonia.
• Ensure documentation clearly specifies the ongoing nature of the oxygen therapy and the reason for its use.