Test Directory

Test Code
APM1B
Test Name
Anti PM/Scl-100 Autoantibody (RDL)
CPT Codes
86235
Expected Turnaround Time
5 - 7 days
Clinical Utility

The anti-PM/Scl-100 antibody is associated with younger age, calcinosis and has lower rates of gastrointestinal symptoms, ILD and pulmonary hypertension. There is also evidence of a possibly better survival compared to the presence of either anti-PM/Scl-75 or anti-Scl-70 antibodies.

Specimen and Container Info

Specimen Type: Serum

Collection Container: Gold Top, Serum Separator

Alternate Collection Container: Red Top, Plain

Desired Specimen Volume: 1 mL

Collection Instructions
  1. Collect a gold top, serum separator tube via venipuncture.
Processing and Submission Instructions
  1. Separate serum from cells within 1 hour of collection.
  2. Transfer 1 mL of serum to a clear aliquot tube.
  3. To avoid delays in turnaround time when requesting multiple tests on samples, please submit separate specimens for each test requested.
Transport Instructions

Transport to the laboratory refrigerated. 

Stability Requirements

Room Temperature

7 days

Refrigerated

14 days

Frozen

60 days

Freeze/Thaw Cycles

 Stable x1

Causes for Rejection
  • Grossly hemolyzed
  • Bacterial contamination
  • Lipemic specimen
  • Icteric specimen
  • Non-serum specimen types
Methodology
ELISA
Reference Intervals

See patient report.

Alternate Names
  • PM Scler
  • PM/SCL
  • PM/SCL100
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Monday-Friday