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St. John Health System
Lab Catalog


Index:

Scleroderma Antibody, (Scl-70), Topoisomerase I Ab

Order Name SCL 70 AB
Test Number: 5564053
Revision Date 03/26/2018
Test Name Methodology LOINC Code
Anti-Scl 70 Antibody Titer
Chemiluminescence Assay 26975-3 
Anti-Scl 70 Interpretation
 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Serum Clot Activator SST Frozen
Instructions Allow specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection.
Stability: Room Temperature 8hrs, Refrigerated:  48hrs,  Frozen:  30 days.  Transport Frozen
GENERAL INFORMATION
Testing Schedule Mon-Fri 
Expected TAT 1-3 Days 
Clinical Use Present in 20-40% of patients with diffuse scleroderma and 20% of patients with limited scleroderma. 
CPT Code(s) 86235
Internal Comments 4/12/16 changed from 5564050 to 5564053
Changed schedule from Monday (7days) to Tue, Thur (3-4 Days) 5/20/16 - JK
10/23/17 su and stab -= JK
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Immunology - Serology