D56.3 is the ICD-10 code for Thalassaemia trait. It is a four-character subcategory of D56 (Thalassaemia), the most specific level in the WHO edition. It belongs to the block D55–D59 (Haemolytic anaemias) in Chapter III, Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.
- Code type
- Subcategory (4 characters)
- Chapter
- III · D50–D89
- Classification
- WHO ICD-10, 2019 version
What D56.3 includes
Conditions and terms that are coded here.
- Thalassaemia (beta) minor
D56.3 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
D56.3Talassemianlegg
DD563Thalassaemia minor
D56.3Talassemian kantajuus
D56.3Thalassämie-Erbanlage
D56.3Trait thalassémique
D56.3thalassaemia trait
D56.3Thalassemia minor
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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