Specimen:
Collect
- One SST
Also Acceptable:
- One Lavender (EDTA)
- One Pink Top (EDTA)
- One Red Top
Submit
- 3 mL (Min:2 mL) Serum in Standard Transport Tube. Submit Refrigerated. Submit in a Standard Transport Tube.
Also Acceptable:
- 3 mL (Min:2 mL) Serum in Standard Transport Tube. Submit Refrigerated. Submit in a Standard Transport Tube.
- 3 mL (Min:2 mL) Plasma in Standard Transport Tube. Submit Refrigerated. Submit in a Standard Transport Tube.
- 3 mL (Min:2 mL) Plasma in Standard Transport Tube. Submit Refrigerated. Submit in a Standard Transport Tube.
Special Handling
- Separate from cells ASAP
- For patients receiving therapy with high biotin doses (>5 mg/day), no laboratory test specimen should be collected until at least 8 hours after the last biotin administration.
Rejection Criteria
- Hemolyzed specimens
- Lipemic Samples
- Microbially Contaminated
Stability
Ambient: 8 Hour(s); Refrigerated: 14 Day(s); Frozen: 1 Month(s); Incubated: Unacceptable
Methodology
- Fluorescent Enzyme Immunoassay (ImmunoCAP)
Performed
Mon-Fri
Reported
2-5 Day(s)
CPT Codes
- 82785
- 83516x4
- 86003x12
Interpretive Data
Please see report for interpretive data.
Reference Ranges for tTG IgG and IgA:
< 7.0 U/mL Negative
7.0 - 10.0 U/mL Equivocal
> 10.0 U/mL Positive
Reference Ranges for Gliadin IgG and IgA:
< 7.0 U/mL Negative
7.0 - 10.0 U/mL Equivocal - Repeat testing in 4-6 weeks
> 10.0 U/mL Positive
Biotin in specimens taken from patients on high-dose biotin therapy or supplements may intefere with at least one test in this panel and cause inaccurate test results. It is recommended that for patients receiving therapy with high biotin doses (> 5 mg/day), no laboratory test specimen should be taken until at least 8 hours after the last biotin administration.
Reference Ranges for tTG IgG and IgA:
< 7.0 U/mL Negative
7.0 - 10.0 U/mL Equivocal
> 10.0 U/mL Positive
Reference Ranges for Gliadin IgG and IgA:
< 7.0 U/mL Negative
7.0 - 10.0 U/mL Equivocal - Repeat testing in 4-6 weeks
> 10.0 U/mL Positive
Biotin in specimens taken from patients on high-dose biotin therapy or supplements may intefere with at least one test in this panel and cause inaccurate test results. It is recommended that for patients receiving therapy with high biotin doses (> 5 mg/day), no laboratory test specimen should be taken until at least 8 hours after the last biotin administration.
Components
- 80006 - PEANUT
- 80008 - WALNUT
- 80022 - HAZELNUT
- 80005 - FISH, COD
- 80010 - SHRIMP
- 80009 - SCALLOP
- 80001 - MILK, COWS
- 80003 - SOYBEAN
- 80004 - WHEAT
- 80020 - SESAME SEED
- 80002 - EGG WHITE
- 80056 - GLUTEN
- 2727 - TISSUE TRANSG.IgG
- 2752 - TISSUE TRANSG.IgA
- 2726 - GLIADIN (DGP)-IgG
- 2725 - GLIADIN (DGP)-IgA
- 2274 - IMMUNOGLOBULIN E
Last Updated: May 11, 2025 @ 9:13 am
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It is preferable to locate tests on the website and not rely on printed test information, which may soon be out of date. Updated test information can only be guaranteed by using this website.
