Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  


Sunquest Test Code:
PTH      Geisinger Epic Procedure Code: 83970.01         Geisinger Epic ID: 14388

Specimen type:
Serum or plasma
Preferred collection container:
Specimen required:
2 mL serum or plasma; minimum 0.5 mL
Special notes:
For all other areas than the Operating Room, order this PTH test. For intraoperative PTH: Please see the intraoperative PTH test, test code PTHR.In patients receiving high biotin doses (i.e. >5 mg/day), no sample should be taken until at least 8 hours after the last biotin administration.

Specimen processing instructions:
All serum to clot. Centrifuge serum or plasma at 1100-2000 g for a minimum of 10 minutes. 
Transport temperature:
Refrigerated (preferred). Room temperature or frozen specimens also acceptable.
Specimen stability:
Room temperature: Serum 8 hours. Plasma 2 days. Refrigerated: Serum 2 days. Plasma 3 days. Frozen: 6 months.
Rejection criteria:
Hemolysis or lipemia.

Reference interval:
15-65 pg/mL.
CPT code(s):
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
PTH, Intact Human PTH. Parathryroid hormone
Clinical significance:
This assay is useful in making the diagnosis of primary hyperparathyroidism
Doctoral Director(s:)
Hoi-Ying Elsie Yu, PhD, DABCC
Sheng-Ying (Margaret) Lo, PhD, DABCC    
Review Date: 11/05/2018

Performing Locations

Geisinger Medical Center

Performing laboratory: Automated Chemistry
Technical Lead: Mariana Moyer, Jared Shepherd
Frequency: Daily, 1st shift, Monday-Saturday
Performed stat? No

Geisinger Holy Spirit Hospital

Performing laboratory: ATL+
Technical specialist: Michele Murdoch    
Frequency: Daily, all shifts    
Performed stat? Yes
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