ICD-10 / XVI Certain conditions originating in the perinatal period / P20-P29 Respiratory and cardiovascular disorders specific to the perinatal period / P28 Other respiratory conditions originating in the perinatal period / P28.8 Other specified respiratory conditions 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 P20-P29 Respiratory and cardiovascular disorders specific to the perinatal period Open Category P28 Other respiratory conditions originating in the perinatal period Open Exclusions congenital malformations of the respiratory system (Q30-Q34 ) Inclusions Congenital (laryngeal) stridor NOS Snuffles in newborn Exclusions early congenital syphilitic rhinitis (A50.0 )