Conditions / Genetic

renal hypomagnesemia 3

info · Genetic · ICD-10: E83.4

A hypomagnesemia characterized by autosomal recessive inheritance of excessive urinary Ca(2+) and Mg(2+) excretion that has_material_basis_in homozygous or compound heterozygous mutation in the CLDN16 gene on chromosome 3q28.

Signs and symptoms

  • Hyposthenuria
  • Nephrocalcinosis
  • Renal insufficiency
  • Short metacarpal
  • Elevated circulating beta-CTX concentration
  • Bowing of the legs
  • Genu valgum
  • Muscle weakness
  • Proteinuria
  • Hyperuricemia

Also known as: FHHNC without severe ocular involvement; HOMG3; familial primary hypomagnesemia with hypercalciuria and nephrocalcinosis without severe ocular involvement; isolated renal hypomagnesemia; primary hypomagnesemia due to defect in renal tubular transport of magnesium