Children's Mercy Hospitals and Clinics
Name
Anti-transglutaminase IgA Diagnostic Algorithm

Synonyms
Celiac Diagnostic Algorithm
Transglutaminase IgA Ab Algorithm
TTG IgA Algorithm

CMH Lab Section
Immunology

Specimen Requirements
3 mL red with gold ring (gel)

Availability
Initial testing in algorithm is batched. Testing is done Monday through Friday.

Turn Around Time
3-5 days

Special Instructions
Algorithm: IgA level
If level is: ≤7 mg/dL then: anti-deaminated Gliadin IgG
If level is: >7 mg/dL then: anti-tTG IgA. If the anti-tTG IgA is >20 then Endomysial Antibodies IgA.

Some testing in this algorithm is done as Sendout testing.

Methodology
Nephelometry, ELISA & IFA

Ranges
see report

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