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Test Code PTH Parathyroid Hormone Intact

Cerner Test Code

PTH I

Acceptable Collection Tube(s) or Specimen

Preferred: GRN PST

Acceptable: Gold SST or Red Top

Specimen Draw Volume

Volume: 1.0 mL

Minimum Volume: 0.5 mL

Processing Instructions

Draw in a Green PST, centrifuge, and refrigerate.

Stability

Stability:  Li Hep:  Room temp 9 hrs, Refrigerated 72 hrs.  EDTA Plasma:  Room temp 25 hrs, Refrigerated 14 days.  Serum:  Room temp 8 hrs, Refrigerated 8 hrs, Frozen 1 month. 

Performed Test Frequency

Everyday

CPT(s)

83970

Methodology

2-site sandwich immunoassay

Performing Location

MercyOne Des Moines Laboratory, Chemistry

Rejection Criteria

Rejection criteria: Hemolysis.