| P90 | Convulsions of newborn |
| P91 | Other disturbances of cerebral status of newborn |
| P91.0 | Neonatal cerebral ischemia |
| P91.1 | Acquired periventricular cysts of newborn |
| P91.2 | Neonatal cerebral leukomalacia |
| P91.3 | Neonatal cerebral irritability |
| P91.4 | Neonatal cerebral depression |
| P91.5 | Neonatal coma |
| P91.6 | Hypoxic ischemic encephalopathy [HIE] |
| P91.60 | Hypoxic ischemic encephalopathy [HIE], unspecified |
| P91.61 | Mild hypoxic ischemic encephalopathy [HIE] |
| P91.62 | Moderate hypoxic ischemic encephalopathy [HIE] |
| P91.63 | Severe hypoxic ischemic encephalopathy [HIE] |
| P91.8 | Other specified disturbances of cerebral status of newborn |
| P91.9 | Disturbance of cerebral status of newborn, unspecified |
| P92 | Feeding problems of newborn |
| P92.0 | Vomiting of newborn |
| P92.01 | Bilious vomiting of newborn |
| P92.09 | Other vomiting of newborn |
| P92.1 | Regurgitation and rumination of newborn |
| P92.2 | Slow feeding of newborn |
| P92.3 | Underfeeding of newborn |
| P92.4 | Overfeeding of newborn |
| P92.5 | Neonatal difficulty in feeding at breast |
| P92.6 | Failure to thrive in newborn |
| P92.8 | Other feeding problems of newborn |
| P92.9 | Feeding problem of newborn, unspecified |
| P93 | Reactions and intoxications due to drugs administered to newborn |
| P93.0 | Grey baby syndrome |
| P93.8 | Other reactions and intoxications due to drugs administered to newborn |
| P94 | Disorders of muscle tone of newborn |
| P94.0 | Transient neonatal myasthenia gravis |
| P94.1 | Congenital hypertonia |
| P94.2 | Congenital hypotonia |
| P94.8 | Other disorders of muscle tone of newborn |
| P94.9 | Disorder of muscle tone of newborn, unspecified |
| P95 | Stillbirth |
| P96 | Other conditions originating in the perinatal period |
| P96.0 | Congenital renal failure |
| P96.1 | Neonatal withdrawal symptoms from maternal use of drugs of addiction |
| P96.2 | Withdrawal symptoms from therapeutic use of drugs in newborn |
| P96.3 | Wide cranial sutures of newborn |
| P96.5 | Complication to newborn due to (fetal) intrauterine procedure |
| P96.8 | Other specified conditions originating in the perinatal period |
| P96.81 | Exposure to (parental) (environmental) tobacco smoke in the perinatal period |
| P96.82 | Delayed separation of umbilical cord |
| P96.83 | Meconium staining |
| P96.89 | Other specified conditions originating in the perinatal period |
| P96.9 | Condition originating in the perinatal period, unspecified |