Circular 06/2026

Chapter XVI — Certain conditions originating in the perinatal period

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P00-P04 — Fetus and newborn affected by maternal factors and by complications of pregnancy, labour and delivery

P00Fetus and newborn affected by maternal conditions that may be unrelated to present pregnancy P01Fetus and newborn affected by maternal complications of pregnancy P02Fetus and newborn affected by complications of placenta, cord and membranes P03Fetus and newborn affected by other complications of labour and delivery P04Fetus and newborn affected by noxious influences transmitted via placenta or breast milk

P05-P08 — Disorders related to length of gestation and fetal growth

P05Slow fetal growth and fetal malnutrition P07Disorders related to short gestation and low birth weight, not elsewhere classified P08Disorders related to long gestation and high birth weight

P10-P15 — Birth trauma

P10Intracranial laceration and haemorrhage due to birth injury P11Other birth injuries to central nervous system P12Birth injury to scalp P13Birth injury to skeleton P14Birth injury to peripheral nervous system P15Other birth injuries

P20-P29 — Respiratory and cardiovascular disorders specific to the perinatal period

P20Intrauterine hypoxia P21Birth asphyxia P22Respiratory distress of newborn P23Congenital pneumonia P24Neonatal aspiration syndromes P25Interstitial emphysema and related conditions originating in the perinatal period P26Pulmonary haemorrhage originating in the perinatal period P27Chronic respiratory disease originating in the perinatal period P28Other respiratory conditions originating in the perinatal period P29Cardiovascular disorders originating in the perinatal period

P35-P39 — Infections specific to the perinatal period

P35Congenital viral diseases P36Bacterial sepsis of newborn P37Other congenital infectious and parasitic diseases P38Omphalitis of newborn with or without mild haemorrhage P39Other infections specific to the perinatal period

P50-P61 — Haemorrhagic and haematological disorders of fetus and newborn

P50Fetal blood loss P51Umbilical haemorrhage of newborn P52Intracranial nontraumatic haemorrhage of fetus and newborn P53Haemorrhagic disease of fetus and newborn P54Other neonatal haemorrhages P55Haemolytic disease of fetus and newborn P56Hydrops fetalis due to haemolytic disease P57Kernicterus P58Neonatal jaundice due to other excessive haemolysis P59Neonatal jaundice from other and unspecified causes P60Disseminated intravascular coagulation of fetus and newborn P61Other perinatal haematological disorders

P70-P74 — Transitory endocrine and metabolic disorders specific to fetus and newborn

P70Transitory disorders of carbohydrate metabolism specific to fetus and newborn P71Transitory neonatal disorders of calcium and magnesium metabolism P72Other transitory neonatal endocrine disorders P74Other transitory neonatal electrolyte and metabolic disturbances

P75-P78 — Digestive system disorders of fetus and newborn

P75*Meconium ileus in cystic fibrosis (E84.1†)P76Other intestinal obstruction of newborn P77Necrotizing enterocolitis of fetus and newborn P78Other perinatal digestive system disorders

P80-P83 — Conditions involving the integument and temperature regulation of fetus and newborn

P80Hypothermia of newborn P81Other disturbances of temperature regulation of newborn P83Other conditions of integument specific to fetus and newborn

P90-P96 — Other disorders originating in the perinatal period

P90Convulsions of newborn P91Other disturbances of cerebral status of newborn P92Feeding problems of newborn P93Reactions and intoxications due to drugs administered to fetus and newborn P94Disorders of muscle tone of newborn P95Fetal death of unspecified cause P96Other conditions originating in the perinatal period