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Test Code LAB5033 SS-A and SS-B Antibodies, IgG, Serum

Important Note

Mayo's test code: SSAB

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Reporting Name

SSA/SSB

Specimen Type

Serum


Specimen Required


Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus OK
Heat-treated specimen Reject

Specimen Stability Information

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

Specimen Minimum Volume

0.35 mL

Special Instructions

Day(s) Performed

Monday through Saturday

Specimen Retention Time

14 days

Report Available

Same day/1 to 3 days

Reference Values

SS-A/Ro ANTIBODIES, IgG

<1.0 U (negative)

≥1.0 U (positive)

Reference values apply to all ages.

 

SS-B/La ANTIBODIES, IgG

<1.0 U (negative)

≥1.0 (positive) 

Reference values apply to all ages.

Useful For

Evaluating patients with signs and symptoms of a connective tissue disease in whom the test for antinuclear antibodies is positive, especially those with signs and symptoms consistent with Sjogren syndrome or lupus erythematosus

 

This test is not useful in patients without demonstrable antinuclear antibodies.

Testing Algorithm

For more information see Connective Tissue Disease Cascade.

CPT Code Information

86235 x 2

LOINC Code Information

Test ID Test Order Name Order LOINC Value
SSAB SSA/SSB 87555-9

 

Result ID Test Result Name Result LOINC Value
SSA SS-A/Ro Ab, IgG, S 33610-7
SSB SS-B/La Ab, IgG, S 33613-1

Profile Information

Test ID Reporting Name Available Separately Always Performed
SSA SS-A/Ro Ab, IgG, S Yes Yes
SSB SS-B/La Ab, IgG, S Yes Yes