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D56.8

D56.8: Other thalassemias

Billable / specific codeICD-10-CM

D56.8 is a billable, specific ICD-10-CM code for other thalassemias. It is valid for submission on a claim.

Check D56.8 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • hemoglobin C disease (D58.2)
  • hemoglobin E disease (D58.2)
  • other hemoglobinopathies (D58.2)
  • sickle-cell anemia (D57.-)
  • sickle-cell thalassemia (D57.4-)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Dominant thalassemia
  • Hemoglobin C thalassemia
  • Mixed thalassemia
  • Thalassemia with other hemoglobinopathy

Excludes1 inherited from the categories above D56.8

A category’s note binds every code beneath it.

Written on D56: Thalassemia

  • sickle-cell thalassemia (D57.4-)

Other codes that can never be billed with D56.8

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • D58.2Other hemoglobinopathies

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

D56.8 is named in 6 Medicare coverage policies: 6 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56718Billing and Coding: Intravenous Immunoglobulin (IVIG)
  • A57110Billing and Coding: MolDX: Blood Product Molecular Antigen Typing
  • A57124Billing and Coding: MolDX: Blood Product Molecular Antigen Typing
  • A57155Billing and Coding: MolDX: Blood Product Molecular Antigen Typing

Alphabetic index entries that lead here

  • Variants, thalassemic
  • Hemoglobinopathy›with thalassemia
  • Thalassemia›dominant
  • Thalassemia›mixed
  • Thalassemia›specified type NEC
  • Thalassemia›variants
  • Thalassemia›with other hemoglobinopathy
  • Anemia›microcytic›familial
  • Thalassemia›hemoglobin›C
  • Disease, diseased›hemoglobin or Hb›C›thalassemia

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under D56

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.