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Hemophilia B Brandenburg C4016497

Published: July 22, 2026Updated: August 20, 2026

A genetic variant of hemophilia B affecting blood clotting due to factor IX deficiency. Primarily affects males through inherited gene changes. Managed with clotting factor replacement to prevent and treat bleeding.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
D64.9
ICD-11
3A00.0
Body system
hematologic
Severity
severe
Chronic
true

Medication Comparisons

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy