ESR
An older but useful marker of systemic inflammation.
What is it
The erythrocyte sedimentation rate measures how quickly red blood cells settle in a tube of anticoagulated blood. Inflammation accelerates settling.
Why it's measured
ESR has been used for decades as a marker of inflammation in research and clinical practice, often alongside CRP.
Reference range
Standard laboratory reference
Men: < 22 / Women: < 29 mm/hr
Reference ranges vary by laboratory. Your individual reference range will appear on your test report and should be interpreted by your physician in the context of your overall health profile.
What results may indicate
Elevated
Has been associated with active inflammation, infection, or autoimmune disease in research literature.
Lower
Is generally considered favorable.
These associations are general. They are not a personal diagnosis or prediction. Discuss your individual results with your physician in the context of your full health profile.
When it's measured
Used in evaluating inflammatory conditions and autoimmune flares.
Related markers
Measured in
A complete look at your heart, hormones, metabolism, inflammation, and longevity systems — drawn at Quest or LabCorp, reviewed by a U.S.-licensed physician.
Explore the Apex Panel →This information is for general educational purposes only and is not medical advice. Lab results alone are not intended to diagnose, treat, or cure any condition and do not replace the advice of a healthcare provider. OPTML does not offer medical advice, a diagnosis, medical treatment, or any form of medical opinion.