KA8A
Polycythaemia neonatorum
Policitemia neonatal
CategoryDefinition
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.
Subcategories (5)
KA8A.0Polycythaemia neonatorum due to placental insufficiency or fetal intrauterine growth restrictionKA8A.1Polycythaemia neonatorum due to twin to twin transfusionKA8A.2Polycythaemia neonatorum due to inherited disorder of erythropoietin productionKA8A.3Polycythaemia neonatorum following umbilical cord transfusion or stripping at deliveryKA8A.4Polycythaemia neonatorum following blood transfusion