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
What this means — in plain language
MedlinePlus · NIHThalassemias are inherited blood disorders. If you have one, your body makes fewer healthy red blood cells and less hemoglobin. Hemoglobin is a protein that carries oxygen to the body. That leads to anemia . Thalassemias occur most often among people of Italian, Greek, Middle Eastern, Southern Asian, and African descent. Thalassemias can be mild or severe. Some people have no symptoms or mild anemia. The most common…
Read more about Thalassemia at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
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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