Test ID RNAP RNA Polymerase III Antibodies, IgG, Serum
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
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Reporting Name
RNA Polymerase III Ab, IgG, SSpecimen Type
SerumSpecimen 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.
Specimen Minimum Volume
See Specimen Required
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 21 days | |
Frozen | 21 days |
Reference Values
<20.0 U (negative)
20.0-39.9 U (weak positive)
40.0-80.0 U (moderate positive)
>80.0 U (strong positive)
Day(s) Performed
Tuesday, Thursday
Performing Laboratory
Mayo Clinic Laboratories in RochesterCPT Code Information
83516
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
RNAP | RNA Polymerase III Ab, IgG, S | 79182-2 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
RNAP | RNA Polymerase III Ab, IgG, S | 79182-2 |