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Test Code ROPAN Ro52 and Ro60 Antibodies, IgG, 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


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

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

Specimen Type

Serum

Specimen Minimum Volume

0.8 mL

Specimen Stability Information

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

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

Day(s) Performed

Wednesday

Report Available

2 to 8 days

Specimen Retention Time

14 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

86235 x 2

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ROPAN Ro52 and Ro60 Antibodies, IgG, S 33610-7

 

Result ID Test Result Name Result LOINC Value
RO52 Ro52 Antibody, IgG, S 53017-0
RO60 Ro60 Antibody, IgG, S 53019-6