Erythrocyte Sedimentation Rate (ESR)
Also called: ESR, Sed Rate
A non-specific blood test that flags inflammation anywhere in the body.
- Duration
- 5 min
- Report
- Same day
- Sample
- Blood
- Fasting
- Not needed
What this test is
The ESR measures how quickly red blood cells settle in a thin tube over one hour. Faster settling usually means there is inflammation somewhere in the body — from infection, autoimmune disease, or other causes. It does not pinpoint where the inflammation is. Doctors use it alongside other tests to track conditions like rheumatoid arthritis, tuberculosis, or long-running infections.
When you need this test
- Suspected rheumatoid arthritis or other autoimmune disease
- Persistent low-grade fever
- Tracking response to TB treatment
- Unexplained joint pain or stiffness
How to prepare
- No fasting required.
- Mention any current medications, especially steroids or anti-inflammatories — they can lower ESR.
- Avoid heavy exercise just before the test.
Why DiagnoHouse for this test
NABL-accredited lab
Quality-audited blood, urine, and stool analysis.
Home collection
Free across Pimpri-Chinchwad. Sample picked up at your time slot.
Same-day reports
Most pathology reports ready within 4 hours of collection.
Calibrated equipment
Analysers calibrated daily; quality controls run with every batch.
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- Duration
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- Report time
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CRP (C-Reactive Protein)
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- Duration
- 5 min
- Report time
- 4 hr report
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FAQs
Does a high ESR always mean something serious?
Not always. Pregnancy, recent infection, or even older age can raise ESR. Your doctor reads it alongside symptoms and other tests.Do I need to fast?
No fasting required.How is it different from CRP?
Both flag inflammation. CRP responds within hours; ESR responds over days. Doctors often order both to see the picture clearly.Report time?
Same day — usually within 4 hours of sample collection.
Need help choosing?
Not sure if this is the right test for you? Have a doctor's note? Call or WhatsApp — guidance is free.
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