Erythrocyte sedimentation rate
Immune system healthESR measures the speed at which red blood cells settle in a tube over one hour.
It is a broad indicator of inflammation.
Reference range
15
High normal
High
Source: lab benchmark
Reference ranges may vary between labs and assays. Always interpret results with your healthcare provider.
Why this matters
Elevated ESR may suggest chronic inflammation, infection, autoimmune activity, or tissue injury. It is often evaluated alongside C-reactive protein to assess inflammatory disease.
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