Short answer · Medically reviewed summary · Last updated: 2026-04-07

Thalassemia is classified under ICD-10 code D56, which covers various forms of the condition including alpha and beta thalassemia. Under the older ICD-9-CM classification system, Thalassemia is primarily categorized under code 282.4. What are the primary clinical classifications of Thalassemia? Thalassemia is a group of inherited blood disorders characterized by reduced hemoglobin production, which leads to varying degrees of anemia.

2 people with Thalassemia have shared their first-person experience on this question at DiseaseMaps.

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ICD10 code of Thalassemia and ICD9 code

ICD-10 and ICD-9 codes for Thalassemia, with classification details for clinicians, coders and patients.

ICD9 and ICD10 codes of Thalassemia

Thalassemia is classified under ICD-10 code D56, which covers various forms of the condition including alpha and beta thalassemia. Under the older ICD-9-CM classification system, Thalassemia is primarily categorized under code 282.4.



What are the primary clinical classifications of Thalassemia?


Thalassemia is a group of inherited blood disorders characterized by reduced hemoglobin production, which leads to varying degrees of anemia. Because the severity of Thalassemia ranges from asymptomatic carrier states to transfusion-dependent conditions, medical coding must be specific. ICD-10 code D56.1 specifically denotes Beta thalassemia, while D56.0 identifies Alpha thalassemia. Clinicians use these codes to ensure accurate billing, insurance coverage, and tracking of health outcomes for the 79 individuals currently sharing their experiences within the Thalassemia community on DiseaseMaps.org.



Is Thalassemia hereditary?


Yes, Thalassemia is a genetic disorder passed from parents to children through autosomal recessive inheritance. This means that an individual must inherit a mutated gene from both parents to develop the more severe forms of the disease. If a person inherits only one mutated gene, they are typically a "carrier" or have "Thalassemia trait," which often presents with mild or no symptoms. Genetic counseling is strongly recommended for families who have a history of the condition to understand the probability of passing the gene to future generations.



How is Thalassemia managed clinically?


Management of Thalassemia depends heavily on the specific genetic subtype and the severity of anemia. For those with transfusion-dependent forms, care is complex and requires specialized oversight to prevent complications such as iron overload. Common clinical management strategies include:



  • Regular blood transfusions: Required for patients with severe beta thalassemia to maintain adequate hemoglobin levels.

  • Iron chelation therapy: Essential for removing excess iron accumulated from chronic blood transfusions, which can otherwise damage the heart and liver.

  • Folic acid supplementation: Often prescribed to support red blood cell production.

  • Monitoring: Regular blood tests, cardiac MRIs, and liver function assessments are standard for patients living with Thalassemia.



How does the community support those with Thalassemia?


Living with a chronic blood disorder can be isolating, which is why connecting with others is vital. At DiseaseMaps.org, we have seen 79 people with Thalassemia join our platform to share their journeys. Engaging with a patient community can provide emotional support, practical tips for managing iron chelation side effects, and up-to-date information on clinical trials. Sharing lived experiences helps reduce the psychological burden of Thalassemia and fosters a sense of collective empowerment among patients and their families.



Next steps



  • Consult with a hematologist who specializes in hemoglobinopathies to receive an accurate diagnosis and personalized treatment plan.

  • Request a referral to a genetic counselor if you are planning a family or have a family history of the condition.

  • Join the Thalassemia community at DiseaseMaps.org to connect with others who understand the day-to-day challenges of managing this condition.

  • Keep a personal health record of your hemoglobin levels and chelation therapy history to facilitate discussions with your medical team.



Medical disclaimer: This content is for informational purposes only and does not constitute medical advice, diagnosis, or treatment; always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.



References



  • National Institutes of Health (NIH) Genetic and Rare Diseases Information Center (GARD): Thalassemia.

  • Orphanet: Rare Disease Database (ORPHA: 231139 - Thalassemia).

  • OMIM (Online Mendelian Inheritance in Man): Beta-Thalassemia and Alpha-Thalassemia entries.

  • Cooley's Anemia Foundation: Comprehensive patient resources on Thalassemia.

Author: DiseaseMaps Editorial Team
Reviewed against authoritative medical sources (NIH GARD, Orphanet, OMIM)
Last updated: 2026-04-07
Medical disclaimer: This information does not substitute professional medical advice. Always consult your doctor before making health decisions.
Source: DiseaseMaps.org
3 answers
- D56.9
- See: http://www.icd10data.com/ICD10CM/Codes/D50-D89/D55-D59/D56-/D56.9
- D56.9
- See: http://www.icd10data.com/ICD10CM/Codes/D50-D89/D55-D59/D56-/D56.9

Posted Jan 24, 2018 by Jürgen M. 6070

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