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Labcorp Oklahoma, Inc.
Test Directory


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Gliadin Deamidated Antibody, IgG

Order Name GLIAD IGG
Test Number: 5537550
Revision Date 01/01/2022
Test Name Methodology LOINC Code
Gliadin Deamidated Antibody, IgG
Chemiluminescence Assay 63459-2 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1.0 mL (0.5 mL) Serum Clot Activator SST Frozen
Instructions Allow specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection.
Stability: Room Temperature 8hrs, Refrigerated:  48hrs,  Frozen:  30 days.  Transport Frozen
GENERAL INFORMATION
Testing Schedule Mon - Fri 
Expected TAT 1-3 Days 
Clinical Use Assist in diagnosis of celiac disease; however, interpret results with caution due to the propensity of assay false positives. Useful to monitor diet compliance in celiac patients. 
CPT Code(s) 86258
Internal Comments 3/22/2010 83520 changed to 83516
10/23/17 stab - JK
3/24/18 chg 58710-5 to 63459-2 -JK
2022 cpt from 83516 to 86258 - JK
Lab Section Immunology - Serology