Unlike many other blood tests, fasting typically isn’t necessary before an ESR test. However, certain medications can affect results, so inform your provider about all medications you take ...

The erythrocyte sedimentation rate (ESR) is the rate at which the red blood cells settle down in an hour. This blood test helps detect inflammation in the body.

This real-time lab testing data is received and stored in ESR’s Eclair CDR and can be easily extracted to provide a full and complete national view of COVID-19 testing.