Mild Hemophilia B C5679574
A mild bleeding disorder caused by low levels of clotting factor IX. Primarily affects males and typically causes minor bleeding problems. Managed with factor replacement therapy as required.
Key facts at a glance
- ICD-10
- D64.9
- ICD-11
- 3A00.0
- Body system
- hematologic
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Intracranial hemorrhage
Generalized symptoms
(hematologic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Mild joint bleeding (hemarthrosis)
(hematologic)Prolonged bleeding after dental procedures
(hematologic)Easy bruising
(hematologic)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
Exercise prescription and weight management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
On-demand factor IX replacement
Administration of recombinant or plasma-derived factor IX concentrates at the onset of bleeding or prior to invasive procedures to maintain hemostasis.
Recombinant factor IX therapy
Use of extended half-life recombinant factor IX products when available, which may reduce infusion frequency while maintaining adequate factor levels.
Additional treatment options
Activity guidance and safety planning
Development of personalized activity plans that minimize trauma risk while encouraging appropriate physical activity and social participation.
lifestyleComprehensive hemophilia surveillance
Regular follow-up at a hemophilia treatment center including factor IX levels, inhibitor screening, and joint health assessment.
monitoringPsychosocial support and education
Counseling and support services to address anxiety related to bleeding episodes, procedural fears, and family planning concerns for patients and families.
psychologicalWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Mild Hemophilia B C5679574?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Srivastava A, Brewer AK, Mauser-Bunschoten EP, et al. Guidelines for the management of hemophilia B. Haemophilia. 2020.
Konkle BA, Huston H, Nakagawa Fletcher S. Hemophilia B. In: Adam MP, Mirzaa GM, Pagon RA, et al., editors. GeneReviews. 2022.
Pasi KJ, Rangarajan S, Mitchell N, et al. Targeting of the factor IX gene using viral vectors for gene therapy in hemophilia B. Mol Ther. 2019.
Gomez K, Klamroth R, Hay CRM, et al. Outcomes of on-demand treatment for mild hemophilia B: a systematic review and meta-analysis. Blood Rev. 2021.
Medication Comparisons
Compare medications used to treat Mild Hemophilia B C5679574. 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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy