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Test ID BLOD1769 Ro52 and Ro60 Antibodies, IgG, Serum

Useful For

Evaluating patients at risk for connective tissue disease with or without interstitial lung disease

 

Differentiation of antibodies to Ro52 and Ro60 in patients known to be positive for anti-SS-A (Ro) antibodies

Specimen Type

Serum


Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot serum into plastic vial


Specimen Minimum Volume

0.8 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 14 days
  Frozen  21 days

Day(s) Performed

Wednesday

Report Available

2 to 8 days

Method Name

Chemiluminescent Immunoassay

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

86235 x 2

Secondary ID

615248

Profile Information

Test ID Reporting Name Available Separately Always Performed
RO52 Ro52 Antibody, IgG, S Yes Yes
RO60 Ro60 Antibody, IgG, S Yes Yes

Reporting Name

Ro52 and Ro60 Antibodies, IgG, S

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus OK

Reference Values

Ro52 ANTIBODY, IgG

<20 CU (negative)

≥20 CU (positive)

Reference values apply to all ages

 

Ro60 ANTIBODY, IgG

<20 CU (negative)

≥20 CU (positive)

Reference values apply to all ages

Test Classification

This test has been cleared, approved, or is exempt by the US 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.