Polycythaemia neonatorum

Definition

Polycythemia of the neonate represents an excessive qualtity of circulating red blood cells due to excessive marrow production and hematocrits that exceed ~60%. Polycythemia can or cannot be associated with hyperviscosity and may or may not be symptomatic.

7 subordinate codes

• KA8A.0Polycythaemia neonatorum due to placental insufficiency or fetal intrauterine growth restriction
• KA8A.1Polycythaemia neonatorum due to twin to twin transfusion
• KA8A.2Polycythaemia neonatorum due to inherited disorder of erythropoietin production
• KA8A.3Polycythaemia neonatorum following umbilical cord transfusion or stripping at delivery
• KA8A.4Polycythaemia neonatorum following blood transfusion
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Haemorrhagic or haematological disorders of fetus or newborn

• KA80Fetal blood loss
• KA81Umbilical haemorrhage of newborn
• KA82Intracranial nontraumatic haemorrhage of fetus or newborn
• KA83Certain specified neonatal haemorrhages
• KA84Haemolytic disease of fetus or newborn
• KA85Hydrops fetalis due to haemolytic disease
• KA86Neonatal kernicterus
• KA87Neonatal hyperbilirubinaemia