Test Code RNAP RNA Polymerase III Antibodies, IgG, Serum
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.3 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
CMH COLLECTION: 1mL blood in a vacutainer Preferred: Red gel Acceptable: Red
Specimen Minimum Volume
See Specimen Required
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 21 days | |
Frozen | 21 days |
Useful For
Evaluating patients suspected of having systemic sclerosis as part of systemic sclerosis criteria antibody tests
Providing diagnostic and prognostic information in patients with systemic sclerosis
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Gross icterus | OK |
Heat-treated specimen | Reject |
Day(s) Performed
Tuesday, Thursday
Report Available
2 to 7 daysReporting Name
RNA Polymerase III Ab, IgG, SReference Values
<20.0 U (negative)
20.0-39.9 U (weak positive)
40.0-80.0 U (moderate positive)
>80.0 U (strong positive)
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Performing Laboratory
Mayo Clinic Laboratories in RochesterCPT Code Information
83516