D56.8
✓ BillableOther thalassemias
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Also Known As
❌ Excludes1
directThese codes are mutually exclusive. Never code them together.
- • hemoglobin C disease (D58.2)
- • hemoglobin E disease (D58.2)
- • other hemoglobinopathies (D58.2)
- • sickle-cell anemia (D57.-)
- • sickle-cell thalassemia (D57.4-)
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • sickle-cell thalassemia (D57.4-)
Clinical Description
ICD-10-CM code D56.8 represents other thalassemias. This code falls under the Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory. Coders should note that D56.8 has 6 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code D56.8?
ICD-10-CM code D56.8 is "Other thalassemias". It belongs to the category: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89).
Is D56.8 a billable ICD-10 code?
Yes, D56.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with D56.8?
D56.8 has 6 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in D56
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)