The lab (ARUP Laboratories)that my Dr. is using has changed the tests reference's and I'm confused, I'm trying to compare the results of my 15yr child to the results of a year ago I wonder if anyone can help me thanks.
in 2023 the results were as follows
TISSUE TRANSGLUTAMINASE AB, IGA Normal range: 0 - 3 U/mL 6
GLIADIN PEPTIDE ANTIBODY...