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Lab Manual for Moffitt-Long and Mount Zion

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Scl-70 Antibody

Item Value
Approval req'd? No
Available Stat? No
Test code SCL70
Performed by UC Davis
Sendout? Yes
Method ELISA
Patient Preparation An 8 hour fast before specimen collection is preferred.
Container type Gold top or Red top
Amount to Collect 2 mL blood
Sample type Serum
Preferred volume 1 mL serum
Min. Volume 0.25 mL serum
Processing notes Refrigerate serum.
Units Index
Normal range
Negative ≤ 0.8 index
Positive > 0.8 index
Synonyms Topoisomerase I antibodies; Scleroderma
Turn around times Turnaround 7 days
Additional information Clinical Use: Scleroderma may be localized or diffuse (Progressive Systemic Sclerosis PSS) that may involve skin, gastrointestinal tracts, lungs, vascular and cardiac systems, and kidneys. Scl-70 Antibody is present in approximately 40% of patients with PSS.
CPT coding 86235-90
LOINC code 5348-8
Last Updated 1/20/2012 3:46:26 PM
Entry Number 846

If you have additional questions regarding this test, please call: 415-353-1667

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