Intraoperative PTH - Intact Parathyroid Hormone

Test Code

IOIPTH

Alias/See Also

iPTH, Intra Operative IPTH

Preferred Specimen

1.0 mL plasma (0.5 mL minimum)

Instructions

Special Instruction for Intraoperative PTH testing: Notify the laboratory, preferably 24 hours, in advance of the procedure. Please include the date & time of the procedure in the notification. This notification will ensure the instrument is calibrated and in control to ensure timely results during the procedure. (Failure to notify the laboratory in advance may delay patient testing).

Intraoperative samples are collected by the OR staff then immediately transported to the lab for testing. The OR staff hands-off the sample to the Lab staff communicating the urgent need for results. Lab Staff will process and run the sample immediately. The lab tech will call the results back to the OR immediately on completion.

Transport Container

EDTA (lavender/purple top)

Specimen Stability

Room temperature: 25 hours, Refrigerated: 14 days, Frozen: not applicable

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

Grossly hemolyzed specimens are unacceptable.

Reference Range

18.4 – 80.1 pg/mL

Clinical Significance

This assay is intended to be used to aid in the differential diagnosis of hyperparathyroidism, hypoparathyroidism, or hypercalcemia of malignancy.

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.