A “no-biopsy” approach to diagnosing celiac disease
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PRACTICE CHANGER
CONSIDER A “NO-BIOPSY” APPROACH BY EVALUATING SERUM IMMUNOGLOBULIN (IG) A ANTI-TISSUE TRANSGLUTAMINASE (TTG-IGA) ANTIBODY TITERS IN ADULT PATIENTS WHO PRESENT WITH SYMPTOMS CONCERNING FOR CELIAC DISEASE (CD). AN INCREASE OF ≥ 10 TIMES THE UPPER LIMIT OF NORMAL (ULN) FOR TTG-IGA HAS A POSITIVE PREDICTIVE VALUE (PPV) OF ≥ 95% FOR DIAGNOSING CD WHEN COMPARED WITH ESOPHAGOGASTRODUODENOSCOPY (EGD) WITH DUODENAL BIOPSY—THE CURRENT GOLD STANDARD.
