Chapter 3: Diseases of the Blood or Blood-Forming Organs
ICD-11 codes 3A00-3C9Z
Covers anemias (nutritional, hemolytic, aplastic), coagulation defects, purpura, and other disorders of blood and blood-forming organs. ICD-11 separates blood diseases from immune disorders, providing clearer classification for hematological conditions.
3A00-3A0Z
No category codes found in this block.
3A20-3A2Z
No category codes found in this block.
3A40-3A4Z
No category codes found in this block.
3A60-3A7Z
No category codes found in this block.
3A80-3A8Z
No category codes found in this block.
3B00-3B0Z
No category codes found in this block.
3B20-3B2Z
No category codes found in this block.
3B40-3B6Z
No category codes found in this block.
3B80-3B8Z
No category codes found in this block.
3C00-3C9Z
No category codes found in this block.
Frequently Asked Questions
What ICD-11 codes are in Chapter 3?
Chapter 3: Diseases of the Blood or Blood-Forming Organs covers ICD-11 codes 3A00-3C9Z. It contains 10 code blocks with 0 top-level categories.
What conditions does ICD-11 Chapter 3 cover?
Covers anemias (nutritional, hemolytic, aplastic), coagulation defects, purpura, and other disorders of blood and blood-forming organs. ICD-11 separates blood diseases from immune disorders, providing clearer classification for hematological conditions. This chapter includes codes from 3A00-3C9Z.
How is ICD-11 Chapter 3 different from ICD-10?
ICD-11 reorganized many chapters compared to ICD-10. Chapter 3 (Diseases of the Blood or Blood-Forming Organs) may include conditions that were in different ICD-10 chapters, and some conditions previously here may have moved. ICD-11 also adds new chapters for sleep-wake disorders, sexual health, and traditional medicine that did not exist in ICD-10.
How many code blocks are in ICD-11 Chapter 3?
Chapter 3 has 10 code blocks: 3A00-3A0Z, 3A20-3A2Z, 3A40-3A4Z, 3A60-3A7Z, and 6 more.
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