Test ID: CDGF
Celiac Disease Gluten-Free Cascade
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.
Useful For Suggests clinical disorders or settings where the test may be helpful
Evaluating patients suspected of having celiac disease who are currently (or were recently) on a gluten-free diet
Profile Information A profile is a group of laboratory tests that are ordered and performed together under a single Mayo Test ID. Profile information lists the test performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| CELI2 | HLA-DQ Typing | Yes, (Order CELI) | Yes |
| CDGF1 | Celiac Disease Interpretation | No | Yes |
Reflex Tests Lists test(s) that may or may not be performed, at an additional charge, depending on the result and interpretation of the initial test(s)
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| IGA | Immunoglobulin A (IgA), S | Yes, (Order #8157) | No |
| TTGA | Tissue Transglutaminase Ab, IgA, S | Yes | No |
| DAGL | Gliadin(Deamidated) Ab, IgA, S | Yes | No |
| DGGL | Gliadin(Deamidated) Ab, IgG, S | Yes | No |
| TTGG | Tissue Transglutaminase Ab, IgG, S | Yes | No |
Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.
If HLA-DQ typing is positive or equivocal for DQ2 or DQ8, then IgA, tissue transglutaminase (tTG) IgA and IgG, and deamidated gliadin IgA and IgG will be performed at an additional charge.
The following algorithms are available in Special Instructions:
-Celiac Disease Comprehensive Cascade
-Celiac Disease Comprehensive Cascade for Patients on a Gluten-Free Diet
-Celiac Disease Diagnostic Testing Algorithm
-Celiac Disease Routine Treatment Monitoring Algorithm
-Celiac Disease Serology Cascade
Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test
Method Name A short description of the method used to perform the test
CELI2/31928: Polymerase Chain Reaction (PCR)/Sequence-Specific Oligonucleotide Probe (SSO)
IGA/8157: Nephelometry
TTGA/82587, TTGG/83660, DAGL/89029, DGGL/89030: Enzyme-Linked Immunosorbent Assay (ELISA)
(PCR is utilized pursuant to a license agreement with Roche Molecular Systems, Inc.)
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
Aliases Lists additional common names for a test, as an aid in searching
Celiac Disease
Coeliac Disease
Gliadin Antibodies IgG
Gliadin IgA, Serum
Gliadin IgG, Serum
HLA Celiac Disease Testing
IgA (Immunoglobulin A)
Tissue Transglutaminase (tTG)
Tissue Transgutaminase Ab IgA
Translutaminase (tTG)
Gliadin Antibodies IgA
Gamma-Globulins, Quantitative
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