P29.3

Approximate Synonyms

• Persistent pulmonary hypertension of the newborn

• Pulmonary hypertension of infant

Clinical Information

• A cardiopulmonary syndrome characterized by hypoxemia due to increased pulmonary vascular resistance and subsequent right-to-left shunting of the blood through the foramen ovale and ductus arteriosus.

• A syndrome of persistent pulmonary hypertension in the newborn infant infant, newborn) without demonstrable heart diseases. This neonatal condition can be caused by severe pulmonary vasoconstriction reactive type), hypertrophy of pulmonary arterial muscle hypertrophic type), or abnormally developed pulmonary arterioles hypoplastic type). The newborn patient exhibits cyanosis and acidosis due to the persistence of fetal circulatory pattern of right-to-left shunting of blood through a patent ductus arteriosus ductus arteriosus, patent) and at times a patent foramen ovale foramen ovale, patent).

Details

• P29.3 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.

• The 2023 edition of ICD-10-CM P29.3 became effective on October 1, 2022.

• This is the American ICD-10-CM version of P29.3 – other international versions of ICD-10 P29.3 may differ.