Neonatal tachycardia

This code signifies an abnormally rapid heart rate in a newborn, typically defined as a sustained heart rate greater than 160-180 beats per minute, depending on the neonate's age and gestational status. It indicates a primary cardiac rhythm disturbance rather than a secondary response to other systemic conditions.

Assign this code when documentation explicitly states a diagnosis of neonatal tachycardia, often identified during routine newborn assessments or in response to clinical signs such as poor feeding, lethargy, or respiratory distress. Supporting documentation should include heart rate measurements and a physician's confirmed diagnosis.

• Differentiate from sinus tachycardia, which is often a physiological response to stress, fever, or hypovolemia, and typically resolves with treatment of the underlying cause.
• Ensure the documentation specifies "neonatal" to distinguish from tachycardia in older infants or children.
• Consider co-reporting codes for any underlying causes or associated conditions, such as sepsis or congenital heart defects, if documented.