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Erythrocyte Sedimentation Rate

Laboratory - : Chemistry

Test ID :
Test Workstation :
Specimen Type:
Tube Type:
Purple top (EDTA) tube: Whole Blood
Collection Volume:
1.5 mL
Cause for Rejection:
Clotted specimen. Specimens collected in microtainer tubes.
Shipping: Send Refrigerated; Storage: Room Temp: 24 hours; Refrigerated: 24 hours
Daily, 24 hours
Direct Measure of Aggregation of red blood cells (Westergren method)
Special Instructions:
Specimens must be collected by venipuncture in macro tubes with pierceable caps; multiple microtainer tubes are NOT acceptable.
2 hours
Additional Info:
Reference Interval:
  • Newborn= 0-2 mm/hr
  • Newborn to puberty = 3-13 mm/hr
  • Male less than 50 years old = <15 mm/hr
  • Female less than 50 years old = <20 mm/hr
  • Male greater than 50 years old= <20 mm/hr
  • Female greater than 50 years old = <30 mm/hr
  • CPT Code:
    Sedimentation Rate (Westergren); ESR
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