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Test Code CELI Celiac Associated HLA-DQ Alpha 1 and DQ Beta 1 DNA Typing, Blood


Ordering Guidance


Cascade testing is recommended for celiac disease. Cascade testing ensures that testing proceeds in an algorithmic fashion. The following cascades are available; select the appropriate one for your specific patient situation.

-CDCOM / Celiac Disease Comprehensive Cascade, Serum and Whole Blood: complete testing including HLA DQ

-CDSP / Celiac Disease Serology Cascade, Serum: complete testing excluding HLA DQ

-CDGF / Celiac Disease Gluten-Free Cascade, Serum and Whole Blood: for patients already adhering to a gluten-free diet

 

To order individual tests, see Celiac Disease Diagnostic Testing Algorithm.



Specimen Required


Container/Tube: Yellow top (ACD Solution A or B)

Specimen Volume: 6 mL

Collection Instructions: Send whole blood specimen in original tube. Do not aliquot.


Useful For

Assessing risk of celiac disease

Method Name

Polymerase Chain Reaction (PCR)/Sequence-Specific Oligonucleotide Probe (SSO)

Reporting Name

Celiac Associated HLA-DQ Typing

Specimen Type

Whole Blood ACD-B

Specimen Minimum Volume

3 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole Blood ACD-B Refrigerated (preferred)
  Ambient 

Reject Due To

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Reference Values

An interpretive report will be provided.

Day(s) Performed

Monday through Friday

Report Available

3 to 8 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

81376 x 2-HLA Class II typing, low resolution (eg, antigen equivalents); one locus (eg, HLA-DRB1/3/4/5, -DQB1, -DQA1, -DPB1, or -DPA1), each

 

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CELI Celiac Associated HLA-DQ Typing 94492-6

 

Result ID Test Result Name Result LOINC Value
DQA DQ alpha 1 94495-9
DQB DQ beta 1 53938-7
CELIG Celiac gene pairs present? 48767-8
CELIC Interpretation 69048-7

Secondary ID

88906

Forms

If not ordering electronically, complete, print, and send Gastroenterology and Hepatology Test Request (T728) with the specimen.