Hemophilia B Brandenburg C4016497
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.
Key facts at a glance
- ICD-10
- D64.9
- ICD-11
- 3A00.0
- Body system
- hematologic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Intracranial hemorrhage
Generalized symptoms
(hematologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Joint pain (hemarthrosis)
(musculoskeletal)Easy bruising
(hematologic)Muscle hematoma
(musculoskeletal)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Factor IX Replacement Therapy
Replacement of deficient clotting factor IX through recombinant or plasma-derived products to prevent or control bleeding episodes.
Bleeding Precaution Protocol
Implementation of injury prevention strategies including avoiding contact sports, using soft-bristled toothbrushes, and wearing medical alert identification.
Additional treatment options
Regular Factor Level Monitoring
Scheduled laboratory assessment of factor IX levels and inhibitor screening to optimize prophylaxis regimens and detect complications early.
monitoringJoint Protection and Rehabilitation
Specialized exercises and physical therapy to maintain joint mobility, strengthen muscles around joints, and prevent hemarthrosis-related damage.
physical_therapyDesmopressin (DDAVP) Trial
In selected cases with residual factor IX activity, desmopressin may be used to temporarily raise factor levels before procedures.
complementaryWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Hemophilia B Brandenburg C4016497?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
Compare medications used to treat Hemophilia B Brandenburg C4016497. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy