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Test 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 is not useful in patients without demonstrable antinuclear antibodies.

Method Name

Multiplex Flow Immunoassay

Reporting Name

Scl 70 Ab, IgG, S

Specimen Type

Serum


Specimen 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

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.

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 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.

Testing Algorithm

See Connective Tissue Disease Cascade (CTDC) in Special Instructions.