Understanding your ESR results
An erythrocyte sedimentation rate test measures how quickly red blood cells settle at the bottom of a test tube over time. The findings serve as a general indicator of inflammation and help guide further discussions with a healthcare provider.
What is the normal ESR range?
- India
- No India-specific national reference interval is published for this parameter; your lab's printed range is the most reliable comparison.
- International
- Men: 0–15 mm/hr; Women: 0–20 mm/hr (Westergren method); values rise gradually with age
Ranges vary by lab, method and equipment — the range printed on your own report is the one that applies to your result.
Source: [ICSH, 2017]
What does a high ESR result mean?
A higher-than-usual value can mean raised inflammatory proteins in your blood. This can happen with infection, inflammation, or anaemia. It is worth discussing with your doctor.
What does a low ESR result mean?
A lower-than-usual value is rarely a concern. It can appear with certain conditions that change the shape of red cells.
What affects your ESR result?
Everyday factors such as age, pregnancy, common infections, and underlying inflammatory processes can all alter the speed at which blood cells settle.
- Age
- Sex, higher in women
- Anaemia
- Pregnancy
- Long-lasting infection or inflammation
Frequently asked questions
- What does a faster settling rate suggest?
- A faster rate typically points to the presence of inflammation somewhere in the body, although it does not reveal the exact cause on its own.
- Can this test confirm a specific condition?
- The test is non-specific, meaning it highlights general immune activity rather than identifying a single medical condition.
- How do clinicians interpret these results?
- Healthcare providers review the results alongside reported symptoms, physical examination findings, and other laboratory work to form a complete picture of overall health.
- What is ESR?
- ESR measures how fast your red blood cells sink to the bottom of a tube in one hour. Faster settling can reflect certain proteins in your blood. Your doctor checks it to look for signs of inflammation or infection. It also picks up on changes in blood protein levels.
- What is a normal ESR blood test inflammation range?
- A typical adult range is around Men: 0–15 mm/hr; Women: 0–20 mm/hr (Westergren method); values rise gradually with age. No India-specific national reference interval is published for this parameter; your lab's printed range is the most reliable comparison. Ranges vary by lab, method and equipment — the range printed on your own report is the one that applies to your result.
Full reference guide
Other test results explained
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