Test Code SCL70 Scl 70 Antibodies, IgG, Serum
Reporting Name
Scl 70 Ab, IgG, SUseful For
Evaluating patients with signs and symptoms of scleroderma and other connective tissue diseases in whom the test for antinuclear antibodies is positive
Testing for Scl 70 antibodies is not useful in patients without demonstrable antinuclear antibodies.
Testing Algorithm
See Connective Tissue Disease Cascade (CTDC) in Special Instructions.
Performing Laboratory

Specimen Type
SerumSpecimen Required
Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Specimen Volume: 0.5 mL
Specimen Minimum Volume
0.4 mL
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
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) and Time(s) Performed
Monday through Saturday; 4 p.m.
Test Classification
This test has been cleared or approved by the U.S. 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.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 |
Method Name
Multiplex Flow Immunoassay