D56.0: Alpha thalassemia inclusionTerm Alpha thalassemia major Hemoglobin H Constant Spring Hemoglobin H disease Hydrops fetalis due to alpha thalassemia Severe alpha thalassemia Triple gene defect alpha thalassemia useAdditionalCode code, if applicable, for hydrops fetalis due to alpha thalassemia (P56.99) excludes1 alpha thalassemia trait or minor (D56.3) asymptomatic alpha thalassemia (D56.3) hydrops fetalis due to isoimmunization (P56.0) hydrops fetalis not due to immune hemolysis (P83.2) |