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Published on January 23, 2020

Parathyroid Hormone (PTH), Intraoperative

Purple Top Tube

Tube Type

Test ID LAB5350
CPT Code(s) 83970
Group/Individual Test Group
Laboratory Core Laboratory
Tube Station 31
Specimen Routine: 3 mL minimum blood/Lavender top tube (EDTA)
Spun & Separated Refrigerated - 48 hrs
Spun & Separated Frozen - 4 weeks
Turnaround Time STAT: 40 min
Reference Range Normal: 12-72 pg/ml; see important Comments

Deliver Immediately

Intraoperative PTH must be scheduled at least 24 hours in advance.  Call the Core Laboratory at (984)974-2361 to schedule and for specimen collection instructions.   Please note that the Intraoperative PTH testing can only be performed Monday through Friday during the dayshift and ONLY when scheduled in advance.

Reviewed by Christopher Parker on January 23, 2020

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