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Test Code SCL70 Scl 70 Antibodies, IgG, Serum

Reporting Name

Scl 70 Ab, IgG, S

Useful For

Evaluating patients with clinical features of systemic sclerosis and in the differential evaluation of individuals at-risk for connective tissue disease with Hep-2 substrate antinuclear antibody positive result, preferably using

antinuclear antibodies

 

Testing for Scl70 antibodies is not useful who test negative for antinuclear antibody using Hep-2 substrate by IFA.

Testing Algorithm

For more information see Connective Tissue Disease Cascade.

Method Name

Multiplex Flow Immunoassay

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

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.


Specimen Minimum Volume

0.4 mL

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus OK
Heat-Treated Reject

Specimen Stability Information

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

Special Instructions

Reference Values

<1.0 U (negative)

≥1.0 U (positive)

Reference values apply to all ages.

Day(s) Performed

Monday through Saturday

CPT Code Information

86235

LOINC Code Information

Test ID Test Order Name Order LOINC Value
SCL70 Scl 70 Ab, IgG, S 47322-3

 

Result ID Test Result Name Result LOINC Value
SCL70 Scl 70 Ab, IgG, S 47322-3

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.

Report Available

1 to 3 days