SIGN UP TO GET STARTED
Complete the short questionnaire to connect with an XLH Guide—a real person who can answer your questions and share helpful resources.
It’s free, there’s no pressure, and it’s designed to support you wherever you are in your XLH journey.
Delivered by Ambit, a third-party service provider on behalf of Kyowa Kirin, Inc.
Support that's here for you
XLH Guides are available to offer one-on-one support for people living with XLH, those who may suspect it, and their caregivers.
Delivered by Ambit, a third-party service provider on behalf of Kyowa Kirin, Inc.
Have questions?
Email us at
Support@XLHGuide.com
Give us a call at
1-877-322-1232
1-877-322-1232
Hours of operation: Monday-Friday, 9 AM-5 PM EST.
COMM-US-RDS-1002 August 2026