What do the results mean?If your test shows you have a higher than normal level of PTH, it may mean you have:HyperparathyroidismA benign (noncancerous) tumor of the parathyroid glandKidney diseaseA vitamin D deficiencyA disorder that makes you unable to absorb calcium from foodIf your test shows you have a lower than normal level of PTH, it may mean you have:HypoparathyroidismAn overdose of vitamin D or calciumIf you have questions about your results, talk to your health care provider.Learn more about laboratory tests, reference ranges, and understanding results.
