Anti-Jo-1 Antibodies
Anti-Jo-1 antibodies target histidyl-tRNA synthetase and are associated with inflammatory myopathies (polymyositis, dermatomyositis) and interstitial lung disease.
Category: Inflammation & Immune
Also known as: anti-jo-1
Reference range: 0–0.9 AI (Source: ABIM)
Standard unit: AI
High values may indicate
Positive anti-Jo-1 antibodies are associated with antisynthetase syndrome, polymyositis, dermatomyositis, and interstitial lung disease.
Low values may indicate
Negative result. Less likely to have anti-Jo-1-associated myopathy.
Frequently asked questions
- What is a normal Anti-Jo-1 Antibodies level?
- A typical reference range for Anti-Jo-1 Antibodies is 0–0.9 AI (source: ABIM). Reference ranges vary by laboratory, age, and sex, so always compare against the range on your own lab report.
- What units is Anti-Jo-1 Antibodies measured in?
- Anti-Jo-1 Antibodies is most commonly reported in AI. Labs in different countries may use other units — you can convert between them with BloodId's blood test unit converter.
- Where do Anti-Jo-1 Antibodies reference ranges come from?
- BloodId uses ABIM standard reference ranges and educational information from MedlinePlus (see our methodology). Reference ranges still vary by lab, age, and sex, so always compare against your own report.
- Can I track Anti-Jo-1 Antibodies over time?
- Yes. Upload results from any lab and BloodId charts your Anti-Jo-1 Antibodies over time against its reference range, so you can see whether the trend is rising, falling, or stable.
Related biomarkers
Source: BloodId admin-reviewed
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