ICD-10 / XVI Certain conditions originating in the perinatal period / P80-P83 Conditions involving the integument and temperature regulation of fetus and newborn / P83 Other conditions of integument specific to fetus and newborn / P83.4 Breast engorgement of newborn From parent levels Chapter XVI Certain conditions originating in the perinatal period Open Inclusions conditions that have their origin in the perinatal period even though death or morbidity occurs later Exclusions congenital malformations, deformations and chromosomal abnormalities (Q00 -Q99 ) endocrine, nutritional and metabolic diseases (E00 -E90 ) injury, poisoning and certain other consequences of external causes (S00 -T98 ) neoplasms (C00 -D48 ) tetanus neonatorum (A33 ) whooping cough (A37 .-) Block P80-P83 Conditions involving the integument and temperature regulation of fetus and newborn Open Category P83 Other conditions of integument specific to fetus and newborn Open Exclusions congenital malformations of skin and integument (Q80 , Q81 , Q82 , Q83 , Q84 ) cradle cap (L21.0 ) diaper [napkin] dermatitis (L22 ) hydrops fetalis due to haemolytic disease (P56 .-) neonatal skin infection (P39.4 ) staphylococcal scalded skin syndrome (L00 ) Inclusions Noninfective mastitis of newborn