Chronic Kidney Disease in Children Prospective Cohort Study (CKiD)

Exclusion Criteria

• •Solid organ (other than kidney), bone marrow or stem cell transplantation
• •Cancer diagnosis and receiving treatment or within 12 months post completion of treatment
• •HIV diagnosis and receiving treatment or within 12 months post completion of treatment
• •Current pregnancy or pregnancy within past twelve months
• •Inability to complete major data collection procedures
• •Not fluent in English or Spanish
• •Plans to move out of area of any participating CKiD site (families can be transferred to another CKiD site if the family moves)
• •Existing moderate to severe congenital structural heart disease
• •Genetic syndromes involving the central nervous system (e.g., Downs syndrome)
• •History of severe to profound intellectual disability (i.e., Intelligence Quotient (IQ)\<40, significant impairment in adaptive function and/or inability to independently execute self-care skills)
• •For cohort 3, children who are expected to receive renal replacement therapy within 6 months of date of enrollment will not be recruited