Clinical Significance
Sed Rate by Modified Westergren - Useful in differentiating inflammatory and neoplastic diseases and as an index of disease severity. CRP is also useful in monitoring inflammatory disease states.
Preferred Specimen(s)
Whole blood: Full EDTA (lavender-top) tube
Minimum Volume
2 mL
Collection Instructions
Maintain specimen at room temperature. If multiple tests are ordered, please submit a separate tube for this test.
Transport Container
EDTA (lavender-top) tube
Transport Temperature
Room temperature
Methodology
Modified Westergren
Reference Range(s)
Male Female
≤50 Years ≤15 mm/h ≤20 mm/h
>50 Years ≤20 mm/h ≤30 mm/h
Alternative Name(s)
WSR,Erythrocyte Sedimentation Rate,ESR,Zeta Rate,Sedimentation Rate