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| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Celiac Disease Panel without Gliadin [17612X]
Test Code17612
CPT Codes
82784, 86364
Includes
Tissue Transglutaminase (tTG) Antibody (IgA)
IgA (Immunoglobulin A)
IgA (Immunoglobulin A)
Preferred Specimen
2 mL serum
Patient Preparation
Overnight fasting is preferred
Minimum Volume
0.6 mL
Instructions
Samples suspected to contain macroglobulins or cryoglobulins should be drawn and held at 37°C. Samples suspected to contain cold agglutinins are not to be refrigerated prior to serum and clot separation. Serum should be separated immediately from clot and shipped refrigerated (cold packs).
Specimen requirements: 2 mL serum from a red-top tube (preferred), shipped in a sterile, screw-capped vial
Specimen requirements: 2 mL serum from a red-top tube (preferred), shipped in a sterile, screw-capped vial
Transport Container
Plastic screw-cap vial
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 72 hours
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic
Methodology
Immunoassay (IA) • Immunoturbidimetric
Setup Schedule
Set up: Mon-Fri; Report available: 3 days
Reference Range
Tissue Transglutaminase IgA Antibody
IgA Serum
| <15.0 U/mL: | Antibody not detected |
| ≥15.0 U/mL: | Antibody detected |
IgA Serum
| Age | (mg/dL) |
| Cord blood: | 1-3 |
| 1-28 days: | 2-40 |
| 1-3 months: | 3-40 |
| 4-6 months: | 7-47 |
| 7-11 months: | 12-53 |
| 1 year: | 20-73 |
| 2 years: | 20-99 |
| 3-5 years: | 22-140 |
| 6-8 years: | 31-180 |
| 9-11 years: | 33-200 |
| 12-16 years: | 36-220 |
| 17-60 years: | 47-310 |
| 61 years or older: | 70-320 |
Clinical Significance
This panel assists in differentiating celiac disease from other inflammatory bowel diseases and helps avoid progression of celiac disease, particularly in children, through early identification of gluten sensitivity.
