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Genetic and Rare Diseases Information Center (GARD)

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Factor XII deficiency

Other Names for this Disease
  • Coagulation factor 12 deficiency
  • F12 deficiency
  • Factor 12 deficiency
  • HAF deficiency
  • Hageman factor deficiency
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.


Organizations Supporting this Disease

  • National Hemophilia Foundation
    116 West 32nd Street, 11th Floor
    New York, NY 10001
    Toll-free: 800-42-HANDI
    Telephone: 212-328-3700
    Fax: 212-328-3799

  • World Federation of Hemophilia
    1425 Rene Levesque Blvd. W.
    Suite 1010
    Montreal, Quebec H3G 1T7
    Telephone: 514-875-7944
    Fax: 514-875-8916

Social Networking Websites

  • is a Web site and blog that collects firsthand stories from people facing issues, making tough decisions, and using genomic (DNA) information in their own healthcare. Click on the link to learn from their experiences and/or submit your own story.
  • RareShare is an online social hub dedicated to patients, families and healthcare professionals affected by rare medical disorders.

Organizations Providing General Support