ICD-10-CM · Chapter 3

D56..1 Beta thalassemia

Billable

← D56 — Thalassemia Chapter 3: D50-D89

Includes

Beta thalassemia major
Cooley's anemia
Homozygous beta thalassemia
Severe beta thalassemia
Thalassemia intermedia
Thalassemia major

Excludes 1 (cannot be coded together)

beta thalassemia minor (D56.3)
beta thalassemia trait (D56.3)
delta-beta thalassemia (D56.2)
hemoglobin E-beta thalassemia (D56.5)
sickle-cell beta thalassemia (D57.4-)

Last reviewed: September 2026