Mild hemophilia B
Synonyms: Mild congenital F9 deficiency | Mild congenital factor IX deficiency
A mild form of hemophilia B characterized by a small deficiency of factor IX (biological activity between 5 and 40 IU/dL) leading to abnormal bleeding as a result of minor injuries or following trauma surgery or tooth extraction. Spontaneous hemorrhages do not occur. The condition may affect males and female carriers of disease-causing mutations.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Reference: Access aggregated data from Orphanet at Orphadata.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http: //www.orphadata.org. Data version September 2023.
Newly diagnosed with
Mild hemophilia B?
Our RARE Concierge Services Guides are available to assist you by providing information, resources and connections as you navigate your rare disease journey.
Advocacy Organizations
National Hemophilia Foundation
The National Hemophilia Foundation (NHF) is dedicated to finding cures for inheritable blood disorders and to addressing and preventing the complications of these disorders through research, education, and advocacy enabling people and families to thrive.
New York City Hemophilia Chapter
NYCHC’s mission is to foster a sense of community amongst people affected by bleeding disorders in the greater NYC area, and to improve their health outcomes and quality of life
OPFORD Foundation
OPFORD.org (Open Platform for Rare Diseases) was conceived as a digital and online resource centre for orphan diseases with a primary focus of serving patients and caregivers by connecting them to curated resources regarding symptoms, causes, diagnosis and treatment. We have expanded our services to health counselling and guidance for patients and caregivers to prevent possible complications.
Hemostasis and Thrombosis Center of Nevada
The Hemostasis & Thrombosis Center of Nevada (HTCNV) is Nevada's only federally designated hemophilia treatment center (HTC). We provide care for benign inherited blood disorders specifically bleeding disorders, thrombotic disorders and sickle cell disease. Our mission is to provide access to compassion evidence based quality care to all patients in Nevada regardless of their ability to pay.
Hemophilia Council of California
The Hemophilia Council of California has a vision for open access to quality innovative care and choice of treatment for all people with bleeding disorders. We accomplish this by advancing the quality of life for bleeding with bleeding disorders through advocacy, education and outreach in collaboration with our founding member organizations.
Accessia Health
Accessia Health pioneered the patient assistance model for people living with chronic medical conditions. We provide financial assistance to pay for prescriptions, medical treatments and expenses, travel and insurance premiums. Our program services include healthcare education, specialized legal services, and case management. We’re leveraging our three decades of our entrepreneurial spirit to expand patient assistance support to serve today’s healthcare consumers. Serving diverse populations is our #1 goal and we seek partners who share our belief that all people deserve to have access to healthcare. Over $1.1 billion has been distributed to patients throughout the country, helping them navigate their way through the complexities of the healthcare system. You can help us do even more.
Hemophilia Foundation of Southern California
“Improving the quality of life and building community for those living with inherited bleeding disorders in Southern California.”
Bleeding Disorders Alliance Illinois
The Bleeding Disorders Alliance Illinois exists to improve the quality of life for the inherited bleeding disorders community by supporting individuals and their families with unbiased information and resources which allows them to live healthy and active lives.
National Center of Hematology and Blood Transfusion
Treatment of patients with blood diseases,scientific-research works
Syndromes Without A Name (SWAN) Australia
Provide information, support and advocacy to families caring for a child with an undiagnosed or rare genetic condition.
Care-for-Rare America Inc
To establish a global alliance in order to identify the genetic causes of rare diseases and develop effective treatments, following a three-stage approach: recognize, understand, cure.
Youth and Women for Opportunities Uganda-YWOU
Youth and Women for Opportunities-YWOU an organization that we represent is patient organization re-presentative, patient and institution and individual capacity builder supporting PLWRD’s to obtain diagnosis, treatment and drugs for those suffering consequences of being undiagnosed or misdiagnosed and lack treatment and those who lack precise diagnosis for rare, orphan and undiagnosed diseases preventing PLWRD’s accessing the most adapted care, treatment or surgery, have delayed access to the most appropriate care, treatment or surgery
Clinical Trials
For a list of clinical trials in this disease area, please click here.