Compare this test’s laboratory options
Jo-1 Abs
Quest Diagnostics1 test optionFrom $52.50
Jo-1 Abs
Quest DiagnosticsCatalog information reviewed: August 24, 2026 by the Sunridge Medical clinical team.
What this laboratory test evaluates
DetailsJo-1 Antibody – This test is primarily used to help diagnose conditions like polymyositis, dermatomyositis, and overlap syndromes such as polymyositis/scleroderma (PM/SCL) or polymyositis/systemic lupus erythematosus (PM/SLE). The presence of Jo-1 Antibody is most common in polymyositis, occurring in about 31% of cases.
What patients is this test right for?This test may be recommended for individuals showing symptoms associated with the mentioned conditions, which can include muscle weakness, skin rashes, and joint pain.
What type of sample is required for this test?1 mL serum. Phlebotomy is required.
Additional test information
This test is primarily used to help diagnose conditions like polymyositis, dermatomyositis, and overlap syndromes such as polymyositis/scleroderma (PM/SCL) or polymyositis/systemic lupus erythematosus (PM/SLE).
Collection and processing
- Sample type: Serum
- Fasting: No
- Estimated laboratory processing: Results should be available in 2 – 5 business days after the sample is collected
How Sunridge uses laboratory information
Sunridge considers the medical question, symptoms, history, medications, prior results, and whether the finding could change care before recommending testing. A laboratory result is not interpreted in isolation and does not establish a diagnosis by itself.
Before requesting this test
Availability, collection requirements, eligibility, and processing estimates can change. Sunridge reviews each request and, when appropriate, creates the order through Fullscript. Follow the current instructions supplied with the approved order.
Common questions about this laboratory test
- What sample does this test require?
- The listed sample type is Serum. Confirm current collection instructions in the approved order.
- Does this test require fasting?
- The current catalog record lists fasting as: No. Follow the instructions supplied with the approved order.
- How long does laboratory processing usually take?
- Results should be available in 2 – 5 business days after the sample is collected. Timing can change after collection or if a laboratory requires additional review.
About this test
DetailsJo-1 Antibody - This test is primarily used to help diagnose conditions like polymyositis, dermatomyositis, and overlap syndromes such as polymyositis/scleroderma (PM/SCL) or polymyositis/systemic lupus erythematosus (PM/SLE). The presence of Jo-1 Antibody is most common in polymyositis, occurring in about 31% of cases.
What patients is this test right for?This test may be recommended for individuals showing symptoms associated with the mentioned conditions, which can include muscle weakness, skin rashes, and joint pain.
What type of sample is required for this test?1 mL serum. Phlebotomy is required.
Additional details
This test is primarily used to help diagnose conditions like polymyositis, dermatomyositis, and overlap syndromes such as polymyositis/scleroderma (PM/SCL) or polymyositis/systemic lupus erythematosus (PM/SLE).
Highlighted health areas
- Autoimmune
Biomarkers and report focus
The exact analytes and report format can change. Confirm the current contents in the Fullscript order before payment.
- Jo-1 antibody