GLUTAMIC ACID DECARBOXYLASE (GAD65) ANTIBODY ASSAY SERUM

General Information

HLAB/HOL Code: GAD65
UPHSM LIS Test #: 6327
Schedule:
Testing Time:
Testing Lab: Labcorp

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 0.5 (0.4) mL Serum
Temperature: Refrigerate
Tube Type: 1 Red Top tube or gel barrier tube
Collection Info:
Collection:  If specimen is to be stored for longer than one week, transfer specimen to a plastic transport tube before freezing.

Storage Instructions:  Refrigerate if analysis will occur within seven days; otherwise, store frozen at -20°C.

Patient Preparation:  Patient should not be administered radioisotopes within 24 hours preceding venipuncture.

Causes for Rejection:  Specimen other than serum; recently administered radioisotopes; lipemic or grossly hemolyzed serum


Methods

Radioimmunoassay (RIA)

CPT Codes

83519

* The CPT codes provided 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 payer being billed.

Reference Range

Pediatric and adults: 0.0-1.5 units/mL