CELIAC DISEASE (HLA-DQ2 and HLA-DQ8) GENOTYPING

Specimen Required
Draw blood in a Lavender tube. Send 3.0 mL whole blood (1.0 mL minimum) room temperature in original collection tube.

Alternate Specimen
Whole blood: ACD A or B

Methodology
Polymerase Chain Reaction/Fluorescent Monitoring

Stability
Room Temperature: 72 hours; Refrigerated: 7 days; Frozen: Unacceptable

Reference Range
By report

Performed
Varies

Turnaround Time10-14 days
Test CodeCDHLA
CPT-4 Code (s)
81383, 81376 x 2
(ZB22A)
LOINC Codes
HLA-DQA1*05   57090-3  
HLA-DQB1*02   57091-1  
HLA-DQ8   41283-3  

Warde
Medical
Laboratory