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Test Code GLIADIGA GliadinDP IgA

Additional Codes

Meditech Order: GLIADINIGA

Panel Order:GLIADINABPNL

Intended Use

GliadinDP IgA is intended for the in vitro semi-quantitative measurement of IgA antibodies directed to gliadin in human serum or plasma (EDTA, Li- heparin) to aid in the diagnosis of celiac disease in conjunction with other laboratory and clinical findings.  EliA GliadinDP IgA uses the EliA IgA method on the Phadia 250 instrument.

Performing Lab

Boone Health Laboratory

Collection Method

Venous Collection

Container

Gold Serum Tube

Instructions/Special Handling

None

Preferred Specimen

Gold SST Serum Tube

Red Serum

Acceptable Specimes

  • Plasma
    • Lithium Heparin
    • EDTA

Units

EliA U/mL

Reference Ranges

<7 Negative
>10 Positive
7-10 Equivoval (recommend retesting after 8-12 weeks)
>142 >142 EliA U/mL

 

Critical Values

N/A

Reasons for Rejection

Hemolysis >494 mg/dL
Icterus >19.1mg/dL
Lipemia >1000mg/dL
Other QNS, Improperly labeled, Improper specimen type, Rheumatoid Factor IgM >550IU/mL and contaminated specimens. 

 

Specimen Stability

Ambient (15-25°C) 8 hours
Refrigerated (2-8°C) 14 days
Frozen (-20°C) 12months (only one freeze thaw cycle)

 

Performance Information

Days/Times Performed Monday, Wednesday and Friday
Expected Turn around Time 1-3 days
Methodology/Method Description EliA IgA

CPT Code(s)

86258