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

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


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: complete testing including HLA DQ

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

-CDGF / Celiac Disease Gluten-Free Cascade: for patients already adhering to a gluten-free diet

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



Specimen Required


Container/Tube: Yellow top (ACD solution B)

Specimen Volume: 6 mL

Collection Instructions: Do not transfer blood to other containers.


Specimen Minimum Volume

3 mL

Specimen Stability Information

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

Reference Values

An interpretive report will be provided.

Day(s) Performed

Monday through Friday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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

Test Classification

This test has been cleared, approved or is exempt by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

Report Available

5 to 9 days

NY State Approved

Yes

Forms

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