D56.8 Other thalassemias

✓ Billable ICD-10-CM 2026
Open D56.8 in Web App →

The ICD-10-CM code for Other thalassemias is D56.8 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
D55-D59: Hemolytic anemias (D55-D59)
Category D56
9 codes (8 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to D56.8:

  • Variants, thalassemic
  • Thalassemia (anemia) (disease) › dominant
  • Thalassemia (anemia) (disease) › variants
  • Thalassemia (anemia) (disease) › with other hemoglobinopathy
  • Thalassemia (anemia) (disease) › mixed
  • Thalassemia (anemia) (disease) › specified type NEC
  • Hemoglobinopathy (mixed) › with thalassemia
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › microcytic (hypochromic) › familial
Excludes1
Not coded here. These conditions should NOT be coded together with D56.8.
  • 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

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

U.S. Hospital Utilization

  • An estimated 435 U.S. inpatient stays in 2023 included D56.8 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Chapter 3 TOC entry

3. Chapter 3: Disease of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89) ............................................................................................. 39

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.3
Reserved for future guideline expansion

Reserved for future guideline expansion ...................................................................................... 39

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.3.Reserved

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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