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HelpTest Code GLIAP GLIADIN (DEAMIDATED) ANTIBODIES EVALUATION, IgG AND IgA, SERUM
Additional Codes
| Software | Test Code |
|---|---|
| Label Text | GLIAP |
| EPIC | LAB725 |
Performing Laboratory
NorDx Laboratories
Useful For
Evaluating patients suspected of having celiac disease, including patients with symptoms compatible with celiac disease, patients with atypical symptoms, and individuals at increased risk of celiac disease.
Also useful for evaluating the response to treatment with a gluten-free diet.
Method Name
Enzyme Linked Immunosorbent Assay (ELISA)
Reference Values
GLIADIN IgA ANTIBODIES
Negative: < 20 U
Weak Positive: 20-30 U
Moderate to Strong Positive: > 30 U
GLIADIN IgG ANTIBODIES
Negative: < 20 U
Weak Positive: 20-30 U
Moderate to Strong Positive: > 30 U
According to World Gastroenterology Organization Practice Guidelines on celiac disease, antigliadin antibody assays have low sensitivity and specificity, and relatively poor positive predictive value in the general population. The recommended serology test for celiac disease diagnosis is the IgA anti-tissue transglutaminase antibody (celiac disease panel CDP).
Days and Times Test Performed
Tuesday
Report Available
1 Day
Profile Information
|
Individual Test Description |
|---|
| GLIADIN (DEAMIDATED) ANTIBODIES EVALUATION, IgA, SERUM |
| GLIADIN (DEAMIDATED) ANTIBODIES EVALUATION, IgG, SERUM |
Specimen Type
Serum
Preferred Container
Serum Separator Tube (SST)
Preferred Volume
Serum: 0.8 mL (Serum Separator Tube (SST))
Minimum Volume
Serum: 0.5 mL (Serum Separator Tube (SST))
Specimen Collection and Handling
1. Spin specimen, separate from clot and send refrigerated.
2. If specimen will not arrive within 2 days of draw, send specimen FROZEN in plastic vial on dry ice.
Specimen Stability Information
Specimen Type: Serum
Frozen: 3 Months
Refrigerated: 48 Hours
Must be spun/separated within: 2 Hours
Add On Capable
Not Permitted
Advance Beneficiary Notice Requirements
No ABN Required
CPT Code Information
|
CPT Code |
CPT Description |
CPT Disclaimer |
|---|---|---|
| 86258 x2 |
Gliadin (deaminated) (DGP) antibody, each immunoglobulin (Ig) class |
Performing Laboratory Location
NorDx Laboratories
Acceptable Alternative Container(s)
Red Top Tube