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Erythrocyte Sedimentation Rate, Manual

Source Blood
Mnemonic ESR
Specimen Requirements 1 x 5 mL or 1 x 3 mL lavender top EDTA tube
Whole blood

Pediatric: minimum 1.0 mL whole blood

Mix well by inverting tube 8-10 times.
Collection can be combined in one tube (5 or 3 mL tube) with CBC and/or Reticulocyte count.

Specimen Handling DO NOT centrifuge.
Additional Information
Testing Location Hematology-All Sites
Testing Frequency Daily
Alternate Name(s) ESR, Sedimentation Rate
Reference Interval

Children (0-10 years)

0-10 mm

Female

0-20 mm

Male

0-10 mm