D56.0
✓ Billable
Alpha thalassemia
ICD-10-CM · FY2026 · Diseases of the Blood and Blood-Forming Organs
Code
D56.0
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Blood and Blood-Forming Organs
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code D56.0?
ICD-10-CM code D56.0 represents Alpha thalassemia. It is a billable diagnosis code in the Diseases of the Blood and Blood-Forming Organs chapter, effective October 1, 2025 – September 30, 2026.
Is D56.0 billable?
Yes. D56.0 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is D56.0 in?
D56.0 belongs to the Diseases of the Blood and Blood-Forming Organs chapter (D50–D89) of ICD-10-CM.
Related codes in the D56 category
D56
Thalassemia
Non-billable
D56.1
Beta thalassemia
Billable
D56.2
Delta-beta thalassemia
Billable
D56.3
Thalassemia minor
Billable
D56.4
Hereditary persistence of fetal hemoglobin [HPFH]
Billable
D56.5
Hemoglobin E-beta thalassemia
Billable
D56.8
Other thalassemias
Billable
D56.9
Thalassemia, unspecified
Billable
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