| Header | Description |
| P00* | Newborn affected by maternal conditions that may be unrelated to present pregnancy |
| P00.8* | Newborn affected by other maternal conditions |
| P01* | Newborn affected by maternal complications of pregnancy |
| P02* | Newborn affected by complications of placenta, cord and membranes |
| P02.2* | Newborn affected by other and unspecified morphological and functional abnormalities of placenta |
| P02.6* | Newborn affected by other and unspecified conditions of umbilical cord |
| P02.7* | Newborn affected by chorioamnionitis |
| P03* | Newborn affected by other complications of labor and delivery |
| P03.8* | Newborn affected by other specified complications of labor and delivery |
| P03.81* | Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm |
| P04* | Newborn affected by noxious substances transmitted via placenta or breast milk |
| P04.1* | Newborn affected by other maternal medication |
| P04.4* | Newborn affected by maternal use of drugs of addiction |
| P04.8* | Newborn affected by other maternal noxious substances |
| P05* | Disorders of newborn related to slow fetal growth and fetal malnutrition |
| P05.0* | Newborn light for gestational age |
| P05.1* | Newborn small for gestational age |
| P07* | Disorders of newborn related to short gestation and low birth weight, not elsewhere classified |
| P07.0* | Extremely low birth weight newborn |
| P07.1* | Other low birth weight newborn |
| P07.2* | Extreme immaturity of newborn |
| P07.3* | Preterm [premature] newborn [other] |
| P08* | Disorders of newborn related to long gestation and high birth weight |
| P08.2* | Late newborn, not heavy for gestational age |
| P10* | Intracranial laceration and hemorrhage due to birth injury |
| P11* | Other birth injuries to central nervous system |
| P12* | Birth injury to scalp |
| P12.8* | Other birth injuries to scalp |
| P13* | Birth injury to skeleton |
| P14* | Birth injury to peripheral nervous system |
| P15* | Other birth injuries |
| P19* | Metabolic acidemia in newborn |
| P22* | Respiratory distress of newborn |
| P23* | Congenital pneumonia |
| P24* | Neonatal aspiration |
| P24.0* | Meconium aspiration |
| P24.1* | Neonatal aspiration of (clear) amniotic fluid and mucus |
| P24.2* | Neonatal aspiration of blood |
| P24.3* | Neonatal aspiration of milk and regurgitated food |
| P24.8* | Other neonatal aspiration |
| P25* | Interstitial emphysema and related conditions originating in the perinatal period |
| P26* | Pulmonary hemorrhage originating in the perinatal period |
| P27* | Chronic respiratory disease originating in the perinatal period |
| P28* | Other respiratory conditions originating in the perinatal period |
| P28.1* | Other and unspecified atelectasis of newborn |
| P28.8* | Other specified respiratory conditions of newborn |
| P29* | Cardiovascular disorders originating in the perinatal period |
| P29.1* | Neonatal cardiac dysrhythmia |
| P29.3* | Persistent fetal circulation |
| P29.8* | Other cardiovascular disorders originating in the perinatal period |
| P35* | Congenital viral diseases |
| P36* | Bacterial sepsis of newborn |
| P36.1* | Sepsis of newborn due to other and unspecified streptococci |
| P36.3* | Sepsis of newborn due to other and unspecified staphylococci |
| P37* | Other congenital infectious and parasitic diseases |
| P38* | Omphalitis of newborn |
| P39* | Other infections specific to the perinatal period |
| P50* | Newborn affected by intrauterine (fetal) blood loss |
| P51* | Umbilical hemorrhage of newborn |
| P52* | Intracranial nontraumatic hemorrhage of newborn |
| P52.2* | Intraventricular (nontraumatic) hemorrhage, grade 3 and grade 4, of newborn |
| P54* | Other neonatal hemorrhages |
| P55* | Hemolytic disease of newborn |
| P56* | Hydrops fetalis due to hemolytic disease |
| P56.9* | Hydrops fetalis due to other and unspecified hemolytic disease |
| P57* | Kernicterus |
| P58* | Neonatal jaundice due to other excessive hemolysis |
| P58.4* | Neonatal jaundice due to drugs or toxins transmitted from mother or given to newborn |
| P59* | Neonatal jaundice from other and unspecified causes |
| P59.2* | Neonatal jaundice from other and unspecified hepatocellular damage |
| P61* | Other perinatal hematological disorders |
| P70* | Transitory disorders of carbohydrate metabolism specific to newborn |
| P71* | Transitory neonatal disorders of calcium and magnesium metabolism |
| P72* | Other transitory neonatal endocrine disorders |
| P74* | Other transitory neonatal electrolyte and metabolic disturbances |
| P74.2* | Disturbances of sodium balance of newborn |
| P74.3* | Disturbances of potassium balance of newborn |
| P74.4* | Other transitory electrolyte disturbances of newborn |
| P74.42* | Disturbances of chlorine balance of newborn |
| P76* | Other intestinal obstruction of newborn |
| P77* | Necrotizing enterocolitis of newborn |
| P78* | Other perinatal digestive system disorders |
| P78.8* | Other specified perinatal digestive system disorders |
| P80* | Hypothermia of newborn |
| P81* | Other disturbances of temperature regulation of newborn |
| P83* | Other conditions of integument specific to newborn |
| P83.3* | Other and unspecified edema specific to newborn |
| P83.8* | Other specified conditions of integument specific to newborn |
| P91* | Other disturbances of cerebral status of newborn |
| P91.6* | Hypoxic ischemic encephalopathy [HIE] |
| P91.8* | Other specified disturbances of cerebral status of newborn |
| P91.81* | Neonatal encephalopathy |
| P92* | Feeding problems of newborn |
| P92.0* | Vomiting of newborn |
| P93* | Reactions and intoxications due to drugs administered to newborn |
| P94* | Disorders of muscle tone of newborn |
| P96* | Other conditions originating in the perinatal period |
