| Name | Erythrocyte Sedimentation Rate (ESR) | |
| Tube Type | Black top – BD Seditainer | |
| Reporting Units | mm/hr | |
| Reference Range | Male < 12 mm/hr | Female <15 mm/hr |
| Analytical Range | 0 – 150 mm/hr | |
| Availability | NDDH (24/7) | |
| Target turnaround time | 2 hours | |
| Special requirements & notes | Must be delivered to lab within 4 hours of collection. Only performed on patients with certain clinical indications. | |
| Patient preparation | N/A | |
| Volume required | 5ml | |
| If delayed transport to lab, store: | N/A | |
| Factors affecting result interpretation | Haemolysed or contaminated samples should not be analysed. High retic counts may lead to a fuzzy interface. Results can be influenced by the haematocrit. Elevated ESRs are common in pregnancy and do not indicate disease. ESR is unreliable in patients over 70 yrs of age. | |
| Time limit for add on test | N/A | |
| Pathology discipline | Haematology | |
| ‘Lab Tests Online’ link | https://labtestsonline.org.uk/tests/erythrocyte-sedimentation-rate-esr | |
ESR (Erythrocyte Sedimentation Rate)
Last updated: May 27, 2020