PM/SCL-100 Antibody, IgG by Immunoblot

PM-Scl antibody, PM-1 Antibody, PM/Scl-100 Antibody, IgG, Polymyositis (PM-1) Antibody, PM1 Antibody

Test Codes

EPIC: LAB1231989, Beaker: PM/SCL Ab, Quest: 16105

Department

Send Outs

Specimen Collection Criteria

Collect: One Gold-top SST tube.
Not acceptable: One plain Red-top tube.

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to plastic transport tube and refrigerate (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.3 mL)

Rejection Criteria

• Hemolyzed specimen.
• Grossly lipemic specimen.
• Plasma contaminated specimen.
• Red-top tube (no gel).
• Specimens not collected and processed as indicated.  
  

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to plastic transport tube and refrigerate (2-8°C or 36-46°F).

Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.3 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 48 hours
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 30 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Quest Diagnostics, Wood Dale, IL. and forwarded to ARUP Laboratories, Salt Lake City, UT.

Performed

Tuesday, Thursday, Saturday.
Results available in 3-5 days.

Reference Range

Negative.

Test Methodology

Qualitative Immunoblot.

Interpretation

By report.

Clinical Utility

PM/Scl-100 Antibody, IgG by Immunoblot – May be useful when evaluating for systemic sclerosis or connective tissue disease associated with overlapping features of systemic sclerosis and/or myositis.

CPT Codes

86235

Contacts

Last Updated

11/25/2025