The Histiocytosis Association of America is recognized as a tax exempt organization under section 501(c)(3) of the Internal Revenue Code; the organization's Federal Tax ID number is 22-2827069.

HAA Fundraising Statement

The Histiocytosis Association of America and its members host fundraising events and campaigns throughout the United States. The Association relies on the proceeds generated through these programs to raise awareness about histiocytic disorders, provide educational and emotional support, and fund research leading to better treatments and a cure.

Getting involved in fundraising for the HAA is a great way to affect others positively while having fun!

Why should you support the Histiocytosis Association of America?

The Histiocytosis Association of America was recently awarded the coveted Four-Star Charity Rating from Charity Navigator, the nation's leading evaluator of charitable organizations. This honor is only bestowed upon charities that have demonstrated outstanding financial practices, based upon a review of their annual financial statements and other organizational documents. With a small, dedicated staff and a number of highly skilled volunteers, the Association has worked since 1986 to provide vital services to individuals affected by the histiocytic disorders. The Association funds essential clinical trials and basic research projects, hosts national and regional conferences, and provides high-quality information to patients and their loved ones, as well as physicians.

Download the Association's Annual Reports below:

Fiscal Year Ended September 30, 2008

 

Fiscal Year Ended September 30, 2007

Fiscal Year Ended September 30, 2006