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CERNER / EPIC MNEMONIC / POE DESCRIPTION / CPT CODE / TEST INFORMATION / DAYS PERFORMED / TURNAROUND TIME / CONTAINER TYPE / SPECIMEN REQUIREMENTS / REJECTION CRITERIA / MINIMUM VOLUME / REFERENCE RANGE / METHODOLOGY / LAST UPDATED / TEST SYNONYM(S)

Parathyroid Hormone (PTH) - Intraoperative (View in report form.)

CERNER / EPIC MNEMONIC:

IOPTH

POE DESCRIPTION:

Intraoperative Parathyroid Hormone

CPT CODE:

83970

TEST INFORMATION:

Plasma intact PTH determinations are performed immediately prior to the neck incision (baseline), following neck exploration (manipulation) and at 5, 10 and 20 minutes after beginning parathyroid resection.  Frozen sections are performed on tissue per surgeon''''''''''''''''s request based on clinical indication.  The generally accepted guideline that a 50% or greater decrease from baseline PTH value is considered indication of successful removal of the hyperfunctioning parathyroid tissue.  When used intraoperatively to verify a decline in PTH production after resection, it is recommended that two or more samples be collected at least 5-10 minutes apart.

DAYS PERFORMED:

Daily

TURNAROUND TIME:

30 minutes

CONTAINER TYPE:

Lavender top (K2 EDTA) tube - 4.0 ml

SPECIMEN REQUIREMENTS:

4.0 mL whole blood (2.0 mL EDTA plasma)

REJECTION CRITERIA:

Grossly hemolyzed, grossly lipemic, grossly icteric

MINIMUM VOLUME:

2.0 mL whole blood (1.0 mL EDTA plasma)

REFERENCE RANGE:

A 50% or greater decrease from baseline is considered indication of successful removal of the hyperfunctioning parathyroid tissue.

METHODOLOGY:

Chemiluminescent

LAST UPDATED:

3-24-14

TEST SYNONYM(S):PTH - Intraoperative; Parathyroid Hormone, Intraoperative; IOPTH; Intraoperative PTH

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