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 are not useful in patients without demonstrable antinuclear antibodies.
Testing Algorithm
For more information see Connective Tissue Disease Cascade.
Performing Laboratory
Mayo Clinic Laboratories in RochesterSpecimen 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 | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 21 days | |
Frozen | 21 days |
Reference Values
<1.0 U (negative)
≥1.0 U (positive)
Reference values apply to all ages.
Day(s) Performed
Monday through Saturday
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.CPT Code Information
86235
Special Instructions
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 |
Report Available
1 to 3 daysMethod Name
Multiplex Flow Immunoassay