Description: Patient support group for XLH, a genetic condition also known as XLinked Hypophosphatemia, XLinked Hypophosphatemic Rickets, Familial Hypophosphatemia, Vitamin DResistant Rickets.XLH Network is a patient support group for: XLinked Hypophosphatemia (XLH), XLinked Hypophosphatemic Rickets, Familial Hypophosphatemia, Vitamin DResistant Rickets