Test Details
Mnemonic
GIDP
Ordering Code
3070300
CPT-4 Code(s)
86258 x 2, 86364 x 2, 86003 x 12
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells and send 2.0 mL serum refrigerated in a screw capped plastic vial.
Alternate Specimen
Red top
Minimum Volume
1.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Grossly hemolyzed or lipemic specimens, plasma
Stability
Room temperature: Undetermined
Refrigerated: 7 days
Frozen: Undetermined
Refrigerated: 7 days
Frozen: Undetermined
Methodology
Enzyme Linked Immunoassay, Fluorescent Enzyme Immunoassay
Reference Range
Gliadin IgA, Gliadin IgG,
TTG IgA, TTG IgG:
< 7 U/mL Negative
7 - 10 U/mL Equivocal
>10 U/mL Positive
TTG IgA, TTG IgG:
< 7 U/mL Negative
7 - 10 U/mL Equivocal
>10 U/mL Positive
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes