Please click here for any questions on CRYSVITA® (burosumab-twza) and to be transferred to Kyowa Kirin Cares website.

Patient Services

After you enroll using the UltraCare Start Form,
our team will help get—and keep—you on the road to treatment.

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Intro Welcome Call

Our UltraCare team is committed to helping you get access to the treatment you need. To learn more about how our team can help you, give us a call at 1-888-756-8657.

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Benefits Investigation

UltraCare can help you understand your insurance coverage. After you enroll, you will be assigned an UltraCare Guide who will:

  • Conduct a full “benefits investigation” to determine coverage for access to treatment
  • Determine if prior authorization is required
  • Determine the status of an appeal
  • Conduct an alternate coverage search
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Financial Assistance

No matter what type of insurance you have, UltraCare can help determine your eligibility for our financial assistance programs.


If you have commercial insurance, our Copay Assistance program may be able to provide financial assistance that covers the out-of-pocket costs for your Ultragenyx medicine and the cost of administration.

Patients must meet the Ultragenyx criteria.


If you have government or commercial insurance, 501(c)(3) Foundation Donations may be able to provide financial assistance that covers incidental medical expenses (IMEs) related to your disease.

Interested patients will work with the 501(c)(3) foundations directly to secure their funds.

Please reach out to your UltraCare Guide to discuss financial assistance options in more detail or if you have any questions.

Please Consider

The Copay Assistance program is intended to benefit the patient by providing assistance with patient financial obligations in order to access therapy.

In the event the full benefit of such assistance does not accrue to the patient, Ultragenyx reserves the right, in its sole discretion, to modify or terminate the provision of assistance. The Ultragenyx Copay Assistance program can be modified or terminated for any reason at any time.

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Patient Support

Whether you are just starting or are continuing your therapy, UltraCare can help navigate your access to treatment.

Our Patient Assistance programs offer a wide array of support that will cater to your specific situation depending on the treatment cycle. Please contact our UltraCare Guides at 1-888-756-8657 to learn more about the Patient Assistance programs.

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UltraCare offers access to resources that are critical to the patient’s treatment life cycle.

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Resources will include but are not limited to billing and coding guides that are available to both you and your caregiver (such as a significant other, spouse, parent, or guardian).

Availability will depend on your geographical region. Please contact our UltraCare Guides at 1-888-756-8657 to inquire about the Patient Assistance program availability in your area.

We’re Here for You

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We’re Here for You

Whether you have questions, need help accessing treatment, or are looking for assistance with your care plan, our dedicated team is here to support you.

Stay Informed

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Ultragenyx will not sell, rent, or otherwise distribute your name and any personally identifiable information outside of Ultragenyx and its agents. Ultragenyx will only use your information in accordance with its Privacy Policy.

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