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.