ICD-10-CM > P00-P96 > P19-P29 > P26 P26 Pulmonary hemorrhage originating in the perinatal period Non-Billable/Non-Specific Type 1 Excludes acute idiopathic hemorrhage in infants over 28 days old (R04.81) Codes P26.0Tracheobronchial hemorrhage originating in the perinatal periodP26.1Massive pulmonary hemorrhage originating in the perinatal periodP26.8Other pulmonary hemorrhages originating in the perinatal periodP26.9Unspecified pulmonary hemorrhage originating in the perinatal period