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HelpTest ID SP100 SP100 Antibody, IgG, Serum
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Additional Testing Requirements
This is a first line test when primary biliary cholangitis is strongly suspected. It should be ordered in conjunction with testing for mitochondrial antibodies (M2) (AMA / Mitochondrial Antibodies [M2], Serum) and gp210 antibodies (GP210 / GP210 Antibody, 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: 0.5 mL Serum
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Reporting Name
SP100 Antibody, IgG, SSpecimen Type
SerumSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 21 days |
| Frozen | 21 days |
Report Available
2 to 8 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| SP100 | SP100 Antibody, IgG, S | 96565-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| SP100 | SP100 Antibody, IgG, S | 96565-7 |
Forms
If not ordering electronically, complete, print, and send a Gastroenterology and Hepatology Test Request (T728) with the specimen.
Useful For
Evaluating the risk of primary biliary cholangitis in anti-mitochondrial antibody (AMA) negative patients by identification of Sp100 antibodies
Estimating risk in AMA-positive patients with incomplete feature of disease
Day(s) Performed
Tuesday
Test 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.CPT Code Information
83516
Specimen Minimum Volume
Serum: 0.4 mL
Reference Values
Negative: ≤20.0 Units
Equivocal: 20.1-24.9 Units
Positive: ≥25.0 Units