Laboratory Test Detail

Last Updated: July 22, 2024 @ 9:13 am


Tissue Transglutaminase Antibody, IgA

  • One SST

Also Acceptable:
  • One Lavender (EDTA)
  • One Pink Top (EDTA)
  • One Red Top
  • 1 mL (Min:0.5 mL) Serum . Submit Frozen. Submit in a Standard Transport Tube.

Also Acceptable:
  • 1 mL (Min:0.5 mL) Plasma . Submit Frozen. Submit in a Standard Transport Tube.
Special Handling:
  • Avoid Repeated Freeze/Thaw Cycles
  • Separate from cells ASAP
  • If TTG Ab, IgA is greater then 10 U/mL, then the Endomysial Ab, IgA (test# 93103) test will be performed. Additional charges will apply.
Rejection Criteria:
  • Hemolyzed specimens
  • Heparinized specimens
  • Lipemic Samples
Stability:Ambient: 8 Hour(s); Refrigerated: 2 Day(s); Frozen: 1 Month(s); Incubated: Unacceptable
  • Fluorescent Enzyme Immunoassay (ImmunoCAP)
Performed:Tuesday, Thursday
Reported:2-5 Day(s)
CPT Codes:
  • 83516
Interpretive Data:General Reference Range : <7 U/mL

tTG Ab, IgA (EliA U/mL) Reference Range:
< 7.0 Negative
7.0 - 10.0 Equivocal
> 10.0 Positive
  • 2752 - TISSUE TRANSG.IgA
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