Contact CDO

Please call or use the form below to submit a general inquiry or request a membership renewal. A CDO Administrator will respond as soon as possible during normal business hours.

Parent support for Spanish speakers now available.

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Mail checks or money orders to:

Chromosome Disorder Outreach Inc
P.O. Box 724
Boca Raton, FL 33429-0724
(561) 395-4252

Join CDO

Technical genetic inquiries for CDO Medical Advisors may be submitted by current CDO members ONLY. To register for your FREE CDO Membership, please join below.

Join CDO

You are donating to : Chromosome Disorder Outreach, Inc, a 501(c)(3) non-profit organization.

100% of donations received fund programs supporting those affected by rare chromosome disorders. CDO does not employ professional fundraisers. CH11200 FL Registration Number. A copy of the official registration may be obtained from the Division of Consumer Services by calling 800-435-7352.
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