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Celiac Disease Dual Antigen Screen with Reflex

Mnemonic:    [Cel Ag Rfx]
Name:    Celiac Disease Dual Antigen Screen with Reflex
Specimen:    2 mL serum from a Red SST or Red top tube. Separate serum from cells ASAP. Plasma is unacceptable.

Hemolyzed or grossly lipemic specimens are unacceptable.
Minimum Spec:    1 mL
Transport Temp:    Refrigerated
Spec Stability:    Stable 7 days refrigerated.
Ref Lab/Code:    ARUP 2002026
  Method:    Nephelometry/IFA/ELISA
Note:    Positive screen results reflex to IgA and IgG antibody testing for tissue transglutaminase antibody (tTG) and deaminated gliadin peptide antibody (DGP).

The preferred screening test is Celiac Disease Reflexive Cascade (ARUP 2008114) or Tissue Transglutaminase ( tTG) Antibody, IgA (ARUP 0097709) testing.