I have very high urine calcium, 455 then 433 mg/24 hr. Serum calcium level of 10.3 mg/dl and PTH 44 pg/ml. I'm 58 years old. Little bump by jugular vein. Pressure at times behind my thyroid. Do you think it’s primary hyperparathyroidism?
We diagnose primary hyperparathyroidism with serum (blood) calcium and PTH levels. Based on those, it looks like you have primary hyperparathyroidism. A calcium of 10.3 mg/dl is too high for adults over about 40 years old. A high calcium, combined with a non-suppressed PTH, indicates primary hyperparathyroidism.
A high urine calcium (also called hypercalciuria) is not necessary for the diag...
