Calcium

Familial Hypocalciuric Hypercalcemia

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Familial Hypocalciuric Hypercalcemia, Familial Benign Hypocalciuric Hypercalcemia, Familial Benign Hypercalcemia, FBHH

  • See Also
  1. Hypercalcemia
  • Epidemiology
  1. Autosomal Dominant with high penetrance
  2. Presents in young patients
  • Precautions
  1. Do not miss FBHH as a cause of Hypercalcemia (especially if considering Parathyroidectomy)
  • Labs
  1. Serum Calcium
    1. Lifelong Hypercalcemia
    2. A prior normal Serum Calcium excludes FBHH
  2. Urine Calcium clearance to Creatinine Clearance
    1. Level <0.01 suggests FBHH
  • Complications
  1. None