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HelpTest ID SCL70 Scl 70 Antibodies, IgG, Serum
Useful 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.
Special Instructions
Method Name
Multiplex Flow Immunoassay
Reporting Name
Scl 70 Ab, IgG, SSpecimen 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
Performing Laboratory
Mayo Clinic Laboratories in Rochester
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.Testing Algorithm
See Connective Tissue Disease Cascade (CTDC) in Special Instructions.