Collect	SST / Gold
	Unacceptable	Plasma and other body fluids. Hemolyzed or grossly lipemic specimens.
	Transport	Refrigerated
	Minimum Volume	4ml
	Notes	if IGA total <7 mg/dL automatic reflex to tTG-IgG and DGP-IgG

Immunoglobulin A Tissue Transglutaminase Antibody IgA Tissue Transglutaminase Antibody IgG (if reflexed) Deamidated Gliadin Peptide ABS IgG (if reflexed)

82784,83516x3 *The CPT codes provided are based on the AMA guidelines and for informational purposes