ICD-10-CM > P00-P96 > P19-P29 > P28 > P28.4 P28.4 Other apnea of newborn Non-Billable/Non-Specific Type 2 Excludes primary sleep apnea of newborn (P28.3-) Codes P28.40Unspecified apnea of newbornP28.41Central neonatal apnea of newbornP28.42Obstructive apnea of newbornP28.43Mixed neonatal apnea of newbornP28.49Other apnea of newborn