PARATHYROID HORMONE (PTH), INTRAOPERATIVE

Message

The sample must be DIRECTLY TRANSPORTED TO THE CHEMISTRY LABORATORY. DO NOT leave the specimen at the
specimen processing window; only the printed EPIC transmittal form. Results are immediately released to Epic on completion.
The name of this test changed on 03/10/2015. The previous name was "INTRAOPERATIVE INTACT PTH".

Test Code

LAB304884

CPT Codes
83970

Preferred Specimen

One 6 mL lavender top tube
Pediatric: Two lavender top microtainers

Other Acceptable Specimens

Dark Green top, Red Top tube is also alternative specimen but it is not recommended due to lower analyte stability.

Instructions

Please notify Chemistry laboratory (7-4232) in advance for intraoperative PTH samples.
Sample must be centrifuged within one hour of collection. Plasma (lavender top tube) must be removed from the red
cells and put into aliquot tubes following centrifugation.

Transport Temperature

Refrigerated

Specimen Stability

Analyte unstable, centrifuge within two hours of collection.
Ambient: plasma 8 hours Refrigerated: plasma 2 days Frozen: plasma or serum: 6 months

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

Clotted sample.

Methodology
Chemiluminescent Immunoassay on ARCHITECTi

Setup Schedule

Sunday-Saturday

Reference Range

Age	Reference Range (pg/mL)
< 1 year	6.5-88.5
1-8 years	16.0-63.0
9-16 years	22.0-88.0
17-18 years	16.0-60.0
≥ 19 years	8.5-77.0

Performing Laboratory
West Virginia University Hospital, Inc.
Princeton Community Hospital
Wheeling Hospital

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.