P52 - Intracranial nontraumatic hemorrhage of newborn
P52.2 - Intraventricular (nontraumatic) hemorrhage, grade 3 and grade 4, of newborn
P52.21 - Intraventricular (nontraumatic) hemorrhage, grade 3, of newborn
P52.22 - Intraventricular (nontraumatic) hemorrhage, grade 4, of newborn