Ordering Recommendation

Preferred reflex screening test for celiac disease and dermatitis herpetiformis. May aid in monitoring adherence to gluten-free diet.

Mnemonic

CELIAC REF

Methodology

Quantitative Immunoturbidimetry/Semi-Quantitative Enzyme-Linked Immunosorbent Assay//Semi-Quantitative Indirect Fluorescent Antibody

Performed

Sun-Sat

Reported

2-6 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Serum separator tube.

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer 3 mL serum to an ARUP Standard Transport Tube. (Min: 1.5 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Plasma. Contaminated, hemolyzed, grossly icteric or grossly lipemic specimens.

Remarks
Stability

After separation from cells: Ambient: Unacceptable; Refrigerated: 14 days; Frozen: 6 months (avoid repeated freeze/thaw cycles)

Reference Interval

Test Number
Components
Reference Interval
  Immunoglobulin A
Age Reference Interval (mg/dL)
0-2 years 2-126
3-4 years 14-212
5-9 years 52-226
10-14 years 42-345
15-18 years 60-349
19 years and older 68-408

Interpretive Data

Refer to report.

Compliance Category

FDA

Note

The Celiac Disease Reflexive Cascade begins with Immunoglobulin A. Depending on findings, one or more reflexive tests may be required in order to provide a clinical interpretation. Tests added may include Tissue Transglutaminase Antibody, IgA; Tissue Transglutaminase Antibody, IgG; Endomysial Antibody, IgA by IFA; Deamidated Gliadin Peptide (DGP) Antibody, IgA; Deamidated Glaidin Peptide (DGP) Antibody, IgG; and/or Celiac Disease Dual Antigen Screen. Refer to the Celiac Testing Algorithm found at https://www.arupconsult.com/Algorithms/CeliacDz.pdf. Additional charges apply.

Hotline History

N/A

CPT Codes

82784; if reflexed additional CPT codes may apply: 83516; 86231; 86258 x2; 86364 x2

Components

Component Test Code* Component Chart Name LOINC
0050340 Immunoglobulin A 2458-8
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

Celiac Disease Reflexive Cascade