D56
Non-billableThalassemia
D56 is the ICD-10-CM code for Thalassemia. It is a non-billable category code — use a more specific child code such as D56.0 for billing.
- Status
- Header (non-billable)
- Chapter
- D50-D89
- Subcodes
- 8
- Edition
- FY2026
D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Excludes1 — not coded here
- •sickle-cell thalassemia (D57.4-)
Frequently asked questions
- What is ICD-10 code D56?
- D56 is the ICD-10-CM code for "Thalassemia". It falls under D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.
- Is D56 a billable code?
- No — D56 is a non-billable header code. Use a more specific child code (such as D56.0) for billing.
- What is excluded from D56?
- Excludes1 (not coded here): sickle-cell thalassemia (D57.4-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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