Parathyroid Hormone Intact

Test Code

PTHI

Alias/See Also

Performed at Sonora Quest Laboratory - Test code 102846
Parathyroid Hormone Intact w/C2
PTH Intact and Calcium (102846)

PTHI with Total Calcium

CPT Codes
83970, 82310

Instructions

See link below for specimen details, methodology, setup schedule and reference ranges.

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

SQL- specimen hemolysis index is >500 will be rejected

Clinical Significance

Parathyroid gland disorders lead to elevated or depressed blood calcium levels (hypercalcemia or hypocalcemia) brought about by a change in the secretion of PTH. Detection of subfunctioning parathyroid glands (hypoparathyroidism) requires the use of a highly sensitive test in order to be able to measure PTH levels well below normal. Hyperfunctioning of the parathyroid glands results in an increased secretion of PTH (hyperparathyroidism). Primary causes are adenomas of the parathyroid glands. In secondary hyperparathyroidism the blood calcium level is low as a result of other pathological states (e.g. vitamin D deficiency).

Additional Information
PTH Intact and Calcium

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.