Sedimentation Rate (Sed Rate) by Modified Westergren

The erythrocyte sedimentation rate blood test

CPT Code(s)

85652

Methodology

Modified Westergren

Limitations

Patients with polycythemia and many hemoglobin abnormalities may have depressed sed rates whereas patients with anemia may have elevated sed rates.

Reference Range(s)

Clinical Significance

Useful in differentiating inflammatory and neoplastic diseases and as an index of disease severity. CRP is also useful in monitoring inflammatory disease states.

Alternative Name(s)

ESR