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Epic Code LAB2111239 Parathyroid Hormone (Intraoperative Only)

Important Note

To be used by Pre-Op and Surgery ONLY.

Test should be scheduled in advance with Chemistry.

  • Surgery at Blodgett call 774-8279.
  • Surgery at Butterworth call 267-2710.

Blodgett OR/Phlebotomy: Walk specimen to Lab

 

Method is Roche cobas Electrochemiluminescense Immunoassay.
Patient results determined by assays using different manufacturers for methods may not be comparable.

Test Name Alias

PTH Intraop | PTHIO | 9096

Interface Order Alias

11250

Collection Instructions

Specimen Collection: Blood

  • Container(s): Lavender top (EDTA)
  • Preferred Volume to Collect: 3.0 mL
  • Minimum Volume to Collect: 2.0 mL
  • Neonate Volume to Collect: 2.0 mL

Capillary collect ok: No

Microtainer acceptable: No

Collection Instructions: 

  • Blodgett OR or Phlebotomy: Walk specimen to lab

 

Processing Instructions (Laboratory)

  • Processed Specimen: Plasma
  • Centrifuge/Spin: Yes
  • Aliquot: Yes
  • Minimum Plasma Volume: 1.0 mL
  • Blodgett OR or Phlebotomy: Walk specimen to lab

Specimen Stability

Ambient: aliquoted plasma 12 hours

Refrigerate: aliquoted plasma 72 hours

Frozen: aliquot plasma for longer storage

Laboratory Retention: 72 hours

Reference Range

18 years and up: 15.0 to 65.0 pg/mL

 

A 50% decrease in venous iPTH levels at  10 min post-resection is expected if all of the hypersecreting parathyroid tissue has been removed (Carter, A.B., & Howanitz, P.J. (2003). Archives of pathology & laboratory medicine, 127(11), 1424-1442.)

Performing Department

Chemistry

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI
Corewell Health Blodgett Laboratory, Grand Rapids, MI
Corewell Health Zeeland Laboratory, Zeeland, MI
Corewell Health Lakeland St. Joseph Laboratory, St. Joseph, MI

Methodology

Method is Roche cobas Electrochemiluminescense Immunoassay.
Patient results determined by assays using different manufacturers for methods may not be comparable.

CPT

83970

CDM Code

3018397001

Epic Test ID

1230101944

LOINC

PTH Intraop: 2731-8

Additional Information

Lab staff:

EDTA is preferred, serum is acceptable

Reviewed Date

3/7/2024

Updated Date

3/15/2024 - Reference Range