Uniprot Description A renal disease characterized by severely lowered serum magnesium levels in the absence of other electrolyte disturbances. Affected individuals show an inappropriately normal urinary magnesium excretion, demonstrating a defect in tubular reabsorption. Age of clinical onset is highly variable and some affected individuals are asymptomatic.

Disease Ontology Description A hypomagnesemia characterized by autosomal dominant inheritance of severely lowered serum magnesium levels without other electrolyte disturbances or abnormalities in urinary magnesium excretion that has material_basis_in heterozygous mutation in the CNNM2 gene on chromosome 10q24.