D56.4✓ Billable
Hereditary persistence of fetal hemoglobin [HPFH]
Code Hierarchy
┌3Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)├D55-D59Hemolytic anemias (D55-D59)├D56Thalassemia
└D56.4Hereditary persistence of fetal hemoglobin [HPFH]
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