AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2017 Issue 4; New/Revised ICD-10-CM Diagnosis Codes

Pulmonary Hypertension of Newborn and Other Persistent Fetal Circulation

Subcategory P29.3, Persistent fetal circulation, has been expanded to separately classify pulmonary hypertension of newborn (P29.30) and other persistent fetal circulation (P29.38). Pulmonary hypertension of newborn is also called persistent pulmonary hypertension of newborn (PPHN). This condition occurs secondary to failure of the normal circulatory transition that occurs after birth, and is characterized by marked pulmonary hypertension that causes hypoxemia secondary to right-to-left shunting of blood. Other persistent fetal circulation (PFC) has three major causes. First, congenital heart defects, including delayed closure of ductus arteriosus, can cause elevated pulmonary artery or right ventricle (RV) pressures, and...

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