A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

PTH, Intra-Operative

Message
Hand deliver to laboratory for special handling


Test Code
LAB3045


Alias/See Also
PTHIR
Parathyroid Hormone, Intra-Operative


CPT Codes
83970

Preferred Specimen
Lavender Top Tube


Minimum Volume
2 mL


Instructions
2 specimens need to be drawn. The first is drawn prior to excision and the the second is drawn 10 minutes after excision.


Methodology
ECLIA

Setup Schedule
Set Up Schedule:daily
Report Available:Daily


Reference Range
15.0-65.0 pg/mL
A 50% drop in intact PTH drawn from a patient 10 minutes after first excision of PTH producing tissue, when compared to a baseline sample drawn prior to surgery, indicates successful removal of the PTH producing tissue.


Clinical Significance
Testing for IPTH can be useful for a quick quantitative assessment of parathyroid gland secretory hormone. Since parathyroid hormone has a half-life of 3 - 4 minutes a significant drop in intact PTH after excision of an enlarged gland indicates that the hypersecretory parathyroid tissue has been removed. The resulting fall in intact PTH level indicated that there may be no further need to dissect and localize the remaining normal parathyroid glands.


Performing Laboratory
GBMC Chemistry



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.