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Methodology: Immunodiffusion (ID)
Edit Date: 1/22/2007
Performed: Monday, Wednesday, Friday
Released: 3-6 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 86331-90
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST).
Handling: Allow to clot, centrifuge and separate serum from cells and pour into a plastic vial. Refrigerate.
Stability: 7 days ambient, 2 months refrigerated, or 12 months frozen.
Standard Volume: 1 mL serum.
Minimum Volume: 200 µL serum.
Transport: Refrigerated.
Comments: PM-Scl antibody is detected in over 90% of patients with polymyositis and scleroderma (Scl) overlap syndrome, but only in about 8% of all myositis patients and only 3% of all scleroderma patients.

Reference Range:

PeaceHealth Laboratories