08/09/2026
ESR: Can We Get a Reliable Result in Less Than 60 Minutes?
The conventional Westergren ESR is measured after 60 minutes and remains the reference method.
However, modern laboratory practice has explored modified and automated approaches to shorten ESR testing. Some studies have investigated whether an early 15- or 30-minute sedimentation measurement can predict the conventional 60-minute result.
But there is an important laboratory-medicine principle: faster does not automatically mean equivalent.
Any shortened or modified ESR procedure should be evaluated against the reference Westergren method in the laboratory where it will be used.
At Shah Clinical Laboratory, we are interested in investigating this question using paired 30-minute and 60-minute ESR measurements from routine patient samples.
Our goal is not to replace the standard Westergren ESR without evidence. Rather, we want to determine whether a scientifically validated local prediction equation could provide a useful preliminary/estimated result for patients who can not wait for the full 60 minutes.
Science first. Validation before implementation.
🔬 Shah Clinical Laboratory
Laboratory medicine • Accuracy • Standardization • Patient care
🧪 Westergren ESR remains the reference method at 60 minutes. But can 30-minute ESR reliably predict the 60-minute result?
At Shah Clinical Laboratory, we are starting a study comparing paired 30- & 60-minute ESR results.
📊 Our findings and validated prediction equation will be published.
⚠️ Faster ≠ automatically equivalent.
Science first. Validation before implementation. 🔬