Acute respiratory failure, unsp w hypoxia or hypercapnia

This code signifies a sudden and severe inability of the respiratory system to adequately exchange oxygen and carbon dioxide, without further specification of the underlying gas exchange abnormality. It indicates a critical pulmonary dysfunction requiring immediate medical attention.

Apply this code when documentation clearly states "acute respiratory failure" but does not specify whether the patient is experiencing hypoxia (low oxygen) or hypercapnia (high carbon dioxide). This is often used as a provisional diagnosis or when complete lab results are not yet available to differentiate the type of respiratory failure.

• Avoid using this code if the documentation specifies either acute hypoxic respiratory failure (J96.01) or acute hypercapnic respiratory failure (J96.02).
• Always query the provider for clarification on the type of acute respiratory failure if not explicitly documented.
• This code should be sequenced as a principal diagnosis when it is the primary reason for admission, or as a secondary diagnosis when it complicates another condition.