Familial hypocalciuric hypercalcemia (FHH)?

Medicine
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Familial hypocalciuric hypercalcemia (FHH)?

“Primary hyperparathyroidism or familial hypocalciuric hypercalcemia (FHH) can cause hypercalcemia secondary to an elevated or inappropriately “”normal”” parathyroid hormone level. Urinary calcium creatinine clearance ratio is usually < 0.01 in FHH compared to > 0.02 in PHP.”