Important Information about Monkeypox from NC-DHHS (5/20/2022) to All North Carolina Clinicians and Laboratorians

Parathyroid Hormone (PTH)

Mint Green Plasma Separator Tube

Tube Type

Test ID LAB10698
CPT Code(s) 83970 (PTH)
Group/Individual Test Group
Laboratory Core Laboratory
Tube Station 30
Specimen Routine: 4 mL blood/Lithium Heparin tube, gold top/red top tube acceptable
Micro: 1 mL blood
Stability Unspun: 2 hours
Spun/Separated: Room Temperature: 8 hours
Refrigerated: 72 hours Plasma / 8 hours Serum
Frozen: 4 weeks
Turnaround Time 2 hours
Reference Range
Serum: 18.5-88.1 pg/mL
Plasma: 18.4-80.1 pg/mL

Reference Ranges effective 7/13/2021
For intraoperative PTH, schedule with lab and order Intra-operative PTH (LAB5350)

Test is performed using the Siemens Atellica Intact Parathyroid Hormone (PTH) assay.   Patient samples containing heterophilic antibodies may give falsely elevated or depressed values.

Deliver Immediately

Reviewed by Christopher Parker on April 27, 2022

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514