PTH-INTACT

Message
CHEMISTRY


Test Code
PTH-INTACT


Alias/See Also
iPTH, PTH INTACT


Preferred Specimen
SERUM


Minimum Volume
2mLs


Instructions
DRAW 1 RED TOP TUBE, LET CLOT FOR 30 MINUTES, SPIN DOWN, SEPARATE SERUM INTO PLASTIC TUBE AND SEND TO LAB.


Transport Container
PLASTIC TUBE


Transport Temperature
REFRIGERATED


Specimen Stability
Refrigerated (2-8°C): 2 days. Separate if not tested within this time.
Frozen (-20°C or colder): 6 months
Max freeze/thaw cycles: 5


Setup Schedule
DAILY


Report Available
DAILY


Reference Range
10 - 65 pg/mL

PTH should be interpreted in context of calcium or ionized calcium.


Clinical Significance
The assay is useful in making the diagnosis of primary hyperparathyroidism, secondary hyperparathyroidism, and a differential diagnosis of hypercalcemia. The assay helps in distinguishing hypercalcemia cause by either primary hyperparathyroidism or malignant disease.


Performing Laboratory
WHITE RIVER JUNCTION VT VA- CHEMISTRY 802-295-9363 EXT: 5518, 5519



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.