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HelpTest Code RIB Ribosome P Antibodies, IgG, Serum
Additional Codes
| Epic Ordering Code | LAB3041968 |
| NBS code | LBC11828 |
| Service code | 37160 |
Reporting Name
Ribosome P Ab, IgG, SSpecimen Type
SerumSpecimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Special Instructions
Specimen Minimum Volume
0.35 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 21 days |
| Frozen | 21 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | OK |
| Heat-Treated | Reject |
Method Name
Multiplex Flow Immunoassay
Testing Algorithm
For more information see Connective Tissue Disease Cascade.
Day(s) Performed
Monday through Saturday
Report Available
Same day/1 to 3 daysPlease note that this is a referral test requiring transport to the external testing facility and an additional 3-5 days is required.
Reference Values
<1.0 U (negative)
≥1.0 U (positive)
Reference values apply to all ages.
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Useful For
As an adjunct in the diagnostic evaluation of patients with systemic lupus erythematosus (SLE)
May be useful in the phenotypic stratification of SLE patients at risk for neuropsychiatric SLE, lupus nephritis and/or hepatitis
CPT Code Information
83516
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| RIB | Ribosome P Ab, IgG, S | 53892-6 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| RIB | Ribosome P Ab, IgG, S | 53892-6 |
Secondary ID
87837Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.Last updated 14/07/2026