Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

PTH, INTRAOPERATIVE

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB2953         Geisinger Epic ID: 33401

SPECIMEN COLLECTION
Specimen type:
Plasma
Preferred collection container:
Specimen required:
5 mL; minimum 2 mL.
Special notes:
This test is performed on intraoperative patients only. 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.
Patient preparation:
This test is performed stat on intraoperative patients only.

SPECIMEN PROCESSING
Specimen processing instructions:
Centrifuge to separate plasma. 
Transport temperature:
Refrigerated or frozen.
Specimen stability:
Room temperature: 2 days. Refrigerated: 3 days. Frozen: 6 months.
Rejection criteria:
Stability limits exceeded.

TEST DETAILS
Reference interval:
15-65 pg/mL
Critical values/courtesy alerts:
All results phoned to operating room.
Additional information:
Intraoperative specimens performed stat.
CPT code(s):
83970
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.
Test includes:
Rapid parathyroid hormone.
Methodology:
Electrochemiluminescence Immunoassay
Synonyms:
PARATHYROID HORMONE, INTACT
RAPID PTH, PTH, INTRAOPERATIVE PTH
PTHR
Clinical significance:
The major function of PTH is to maintain the serum total calcium within a narrow range. The net effects of PTH are to increase the serum concentration of calcium and to decrease that of phosphate. The assay is useful in making the diagnosis of primary hyperparathyroidism, secondary hyperparathyroidism, and a differential diagnosis of hypercalcemia. The assay helps in distinguishing hypercalcemia caused by either primary hyperparathyroidism or malignant disease.
Doctoral Director(s:)
Hoi-Ying Elsie Yu, PhD, DABCC
Sheng-Ying (Margaret) Lo, PhD, DABCC    
Review Date: 12/24/2020

Performing Locations

Geisinger Wyoming Valley Medical Center

Performing laboratory: ATL+
Technical Lead: Sarah McGowan    
Frequency: Daily, all shifts    
Performed stat? Yes

Geisinger Community Medical Center

Performing laboratory: Chemistry
Technical Lead: Ann Mack, Deborah Dempsey  
Frequency: Daily, all shifts    
Performed stat? Yes
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