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Unit Code 89200:
Celiac Disease Comprehensive Cascade for Patients on a Gluten-Free Diet

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 Unit Code. Profile information lists tests performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.

 Unit Code  Reporting Name  Available Separately  Always Performed 
 31928  HLA-DQ Typing Yes (Order #88906)Yes
 29035  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)

 Unit Code  Reporting Name  Available Separately  Always Performed 
29033 Immunoglobulin A (IgA), S Yes (Order #8157)No
82587 Tissue Transglutaminase Ab, IgA, S Yes No
89029 Gliadin(Deamidated) Ab, IgA, S Yes No
89030 Gliadin(Deamidated) Ab, IgG, S Yes No
83660 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 for DQ2 or DQ8, then IgA, tissue

transglutaminase IgA and IgG, and deaminated gliadin IgA and

IgG will be performed at an additional charge.

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

• Celiac Disease Diagnostic Testing Algorithm 
• Celiac Disease Comprehensive Cascade 
• Celiac Disease Comprehensive Cascade for Patients on a Gluten-Free Diet 
• Celiac Disease Routine Treatment Monitoring Algorithm 
• Celiac Disease Serology Cascade 

Method Name A short description of the method used to perform the test

31928: INNO-LiPA Reverse Hybridization

29033: Nephelometry

82587, 83660, 89029, 89030: Enzyme-Linked Immunosorbent Assay (ELISA)

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

Celiac Disease Gluten-Free Cascade

Ordering Mnemonic An alternate Mayo code (to the Unit Code) for a test

CDGF

Aliases Lists additional common names for a test, as an aid in searching

Celiac Disease

Coeliac Disease

Gamma-Globulins, Quantitative

Gliadin Antibodies IgA

Gliadin Antibodies IgG

Gliadin IgA, Serum

Gliadin IgG, Serum

HLA Celiac Disease Testing

IgA (Immunoglobulin A)

Soft-CDGF

Tissue Transglutaminase Ab IgA

Transglutaminase(tTG)

tTG