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Test ID LRBA Lipopolysaccharide-Responsive Beige-Like Anchor Protein (LRBA) Deficiency, Blood

Ordering Guidance

This flow cytometry test is complementary to genetic testing.

Shipping Instructions

Specimens are required to be received in the laboratory weekdays and by 4 p.m. on Friday. Collect and package specimen as close to shipping time as possible.


It is recommended that specimens arrive within 24 hours of collection.


Samples arriving on the weekend and observed holidays may be canceled.

Necessary Information

Ordering physician name and phone number are required.

Specimen Required

Container/Tube: Lavender top (EDTA)

Specimen Volume: 3 mL

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

Useful For

Aiding in the diagnosis of lipopolysaccharide-responsive beige-like anchor protein (LRBA) deficiency


This test is not useful for identifying a carrier status for LRBA deficiency.

Method Name

Flow Cytometry

Reporting Name

LRBA Deficiency, B

Specimen Type

Whole Blood EDTA

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole Blood EDTA Ambient 48 hours PURPLE OR PINK TOP/EDTA

Reference Values

The appropriate reference values will be provided on the report.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed using an analyte specific reagent. 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

86356 x 2

LOINC Code Information

Test ID Test Order Name Order LOINC Value
LRBA LRBA Deficiency, B In Process


Result ID Test Result Name Result LOINC Value
608960 %CD3+LRBA+ In Process
608964 MFI CD3+LRBA+ In Process
608961 %CD19+LRBA+ In Process
608965 MFI CD19+LRBA+ In Process
608968 LRBA Interpretation 69052-9

Day(s) Performed

Monday through Friday

Report Available

2 to 4 days