| P28.40 | Unspecified apnea of newborn | BILLABLE CODE |
| P28.41 | Central neonatal apnea of newborn | BILLABLE CODE |
| P28.42 | Obstructive apnea of newborn | BILLABLE CODE |
| P28.43 | Mixed neonatal apnea of newborn | BILLABLE CODE |
| P28.49 | Other apnea of newborn | BILLABLE CODE |
