Test Code GLNABM Gliadin (Deamidated) Antibodies Evaluation, IgG and IgA, Serum
Additional Codes
MAYO: DGLDN
EPIC: LAB725
Reporting Name
Gliadin (Deamidated) Ab, Eval, SUseful For
Evaluating patients suspected of having celiac disease; this includes patients with symptoms compatible with celiac disease, patients with atypical symptoms, and individuals at increased risk of celiac disease
Evaluating the response to treatment with a gluten-free diet
Profile Information
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
DAGL | Gliadin(Deamidated) Ab, IgA, S | Yes | Yes |
DGGL | Gliadin(Deamidated) Ab, IgG, S | Yes | Yes |
Testing Algorithm
The following algorithms are available in Special Instructions:
-Celiac Disease Comprehensive Cascade
-Celiac Disease Diagnostic Testing Algorithm
-Celiac Disease Gluten-Free Cascade
Performing Laboratory

Specimen Type
SerumAdvisory Information
-CDCOM / Celiac Disease Comprehensive Cascade: complete testing including HLA DQ
-CDSP / Celiac Disease Serology Cascade: complete testing excluding HLA DQ
-CDGF / Celiac Disease Gluten-Free Cascade: for patients already adhering to a gluten-free diet
To order individual tests, see Celiac Disease Diagnostic Testing Algorithm in Special Instructions.
Specimen Required
Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Specimen Volume: 0.5 mL
Specimen Minimum Volume
0.4 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 21 days | |
Frozen | 21 days |
Special Instructions
Reference Values
Negative: <20.0 U
Weak positive: 20.0-30.0 U
Positive: >30.0 U
Reference values apply to all ages.
Day(s) and Time(s) Performed
Monday through Saturday; 4 p.m.
Test Classification
This test has been cleared, approved or is exempt by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
83516 x 2
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
DGLDN | Gliadin (Deamidated) Ab, Eval, S | 57776-7 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
DAGL | Gliadin(Deamidated) Ab, IgA, S | 47393-4 |
DGGL | Gliadin(Deamidated) Ab, IgG, S | 47394-2 |
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Gross icterus | OK |
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Forms
If not ordering electronically, complete, print, and send a Gastroenterology and Hepatology Client Test Request (T728) with the specimen.