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HelpBCH Order Code ESR Sedimentation Rate (ESR), Blood
Performing Laboratory
Boulder Community Health
Specimen Requirements
Specimen must arrive within 4 hours of collection if stored at room temperature or 12 hours if specimen is refrigerated.
Container/Tube: 4 mL Lavender-top (EDTA) tube(s) or 2 mL Lavender-top (EDTA) tube(s)
Specimen: 2 mL (minimum) of
EDTA whole blood or 1 mL
(minimum) of EDTA whole blood
Collection Instructions: Immediately invert 5
times to mix blood
Methodology
Photometric
The ESR is a nonspecific measurement used to detect and monitor an inflammatory response to tissue injury (an acute-phase response).
Reference Values
Males
0-15 years: 0-10 mm/hour
16-50 years: 0-15 mm/hour
≥51 years: 0-20 mm/hour
Females
0-15 years: 0-10 mm/hour
16-50 years: 0-20 mm/hour
≥51 years: 0-30 mm/hour
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
85652