atypical Hemolytic-Uremic Syndrome (aHUS) Registry

Inclusion Criteria

• - Male or female patients of any age, including minors, who have been diagnosed with aHUS
• -Patients with or without an identified complement pathogenic variant or anti-complement factor antibody
• -Able to give written informed consent. Patient or patient's parent/legal guardian must be willing and able to given written informed consent and the patient (if minor) must be willing to give written informed assent [if applicable as determined by the central Institutional Review Boards/Independent Ethics Committees (IRB/IEC)].
• - ADAMTS13 > 5%, if performed.