Test Code JO1 Jo-Antibody
Additional Codes
ALAB: JO1
Powerchart: JO1 Antibody
MA Cerner: Jo 1 Antibodies, IgG
Test Method
Multiplex Flow Immunoassay; BioRad BioPlex
Specimen Requirement
0.5 mL of serum. Gel tubes are preferred.
Additional Specimen Collection Information
Collection Instructions:
- Minimum volume: 500 mcL
- Hemolysis: Samples with hemolysis >2+ are not acceptable
- Lipemia: Samples with lipemia >3+ must be ultracentrifuged prior to analysis
- Icterus: No interference
- Storage: Stable for up to 7 days at 2-8°C.
Performance
Testing is performed Monday through Friday.
Reference Value
Jo-1 Antibody: Negative (<1 AI) Reported as an antibody index.
CPT Code Information
86235-Jo-1 Antibody
Useful For
Evaluating patients with signs and symptoms of scleroderma and
other connective tissue diseases in whom the test for antinuclear
antibodies is positive.
A positive test result for Scl 70 antibodies is consistent with a
diagnosis of scleroderma.