HLA-DR4 antigen

Alphabetical Test listing

HLA-DR4 antigen-994

Test name:

HLA-DR4 antigen

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Useful for:

Testing for the presence of HLA-DR4 antigen in a patient is used to determine the potential risk of developing of Lyme arthritis from infection with Borrelia burgdorferi or vaccination with Lyme vaccine

Specimen type:

ACD B whole blood

Collection container:

Yellow ACD-B

Volume:

7.0 mL

Minimum volume:

3.0 mL

Transport container:

Yellow ACD-B

Alternate specimen type:

Sodium heparin (Na hep) whole blood

Alternate collection container:

Dk green heparin (Li or Na), no gel

Alternate transport container:

Dk green heparin (Li or Na), no gel

Transport and stability:

Ambient (strict) - 72 hours

Refrigerated - NO

Frozen - NO

Performing lab:

Quest Diagnostics (10454) via LabCorp (009985): R-NX

Days set up:

Daily

TAT:

2 - 4 days

Method:

Flow Cytometry (FC)

Reference ranges:

Negative

CPT codes:

86816

Date created:

05/20/2019

Revised date:

08/20/2021