GLUTAMIC ACID DECARBOXYLASE (GAD65) ANTIBODY ASSAY SERUM
General Information
HLAB/HOL Code: GAD65
UPHSM LIS Test #: 026327
Schedule:
Testing Time:
Testing Lab: Labcorp
UPHSM LIS Test #: 026327
Schedule:
Testing Time:
Testing Lab: Labcorp
Specimen Info
Only 1 specimen type required, unless otherwise specified
Volume: 0.5mL
Temperature: Ambient
Tube Type: Serum
Collection Info:
Container: Red-top tube or gel-barrier tube
Collection: If a red-top tube is used, transfer separated serum to a plastic transport tube. Avoid hemolysis.
Minimum Volume: 0.4 mL (Note: This volume does not allow for repeat testing.)
Temperature: Ambient
Tube Type: Serum
Collection Info:
Container: Red-top tube or gel-barrier tube
Collection: If a red-top tube is used, transfer separated serum to a plastic transport tube. Avoid hemolysis.
Minimum Volume: 0.4 mL (Note: This volume does not allow for repeat testing.)
Specimen Acceptability
Causes for Rejection
Nonserum sample; grossly hemolyzed or grossly lipemic sample received
Nonserum sample; grossly hemolyzed or grossly lipemic sample received
Methods
Enzyme-linked immunosorbent assay (ELISA)
Clinical Utilities
This test is intended for the semiquantitative determination of glutamic acid decarboxylase (GAD) antibody in human serum; it is useful as an aid in the diagnosis of type 1 diabetes mellitus (autoimmune mediated diabetes).1
CPT Codes
86341
* 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.
