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D56.0 - Alpha thalassemia


The ICD 10 Code for Alpha thalassemia is listed as D56.0.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: D56.0
Description: Alpha thalassemia
  • Alpha thalassemia major
  • Hemoglobin H Constant Spring
  • Hemoglobin H disease
  • Hydrops fetalis due to alpha thalassemia
  • Severe alpha thalassemia
  • Triple gene defect alpha thalassemia
  • Use additional code, if applicable, for hydrops fetalis due to alpha thalassemia (P56.99)
  • Excludes1: alpha thalassemia minor (D56.3)
  • asymptomatic alpha thalassemia (D56.3)
  • hydrops fetalis due to isoimmunization (P56.0)
  • hydrops fetalis not due to immune hemolysis (P83.2)
Diagnostic Related Groups
(MS-DRG v30.0)
793 - Full Term Neonate W Major Problems
811 - Red Blood Cell Disorders W Mcc
812 - Red Blood Cell Disorders W/o Mcc
Chapter Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Block Hemolytic anemias (D55-D59)
Parent D56 - Thalassemia
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 282.43 - Alpha thalassemia
ICD-10-CM Siblings (same level / similar specificity) of D56.0:
D56.1 - Beta thalassemia
D56.2 - Delta-beta thalassemia
D56.3 - Thalassemia minor
D56.4 - Hereditary persistence of fetal hemoglobin [HPFH]
D56.5 - Hemoglobin E-beta thalassemia
D56.8 - Other thalassemias
D56.9 - Thalassemia, unspecified