Unspecified apnea of newborn

This code signifies a newborn experiencing episodes of cessation of breathing that are not further specified as central, obstructive, or mixed apnea. It indicates a general diagnosis of apnea in a neonate without a more definitive underlying cause or type identified. This condition is characterized by pauses in breathing lasting 20 seconds or longer, or shorter pauses accompanied by bradycardia, cyanosis, or pallor.

Use this code when the medical record documents "apnea of newborn" without specifying the type (e.g., central, obstructive, mixed) or when the physician explicitly states "unspecified apnea." This code is appropriate when the diagnostic workup for the type of apnea is incomplete or inconclusive at the time of coding.

• Avoid using this code if the documentation clearly specifies the type of apnea (e.g., central, obstructive, mixed); instead, use the more specific codes within the P28.3- or P28.8- series.
• Always review the entire medical record for any further clarification of the apnea type before assigning this unspecified code.
• Consider sequencing this code as a principal diagnosis if it is the primary reason for the newborn's admission or encounter, or as a secondary diagnosis if it is a co-morbidity.