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Test Code ESR Sedimentation Rate

Collection Container

Lavender (EDTA)

Specimen Required

EDTA whole blood

Specimen Volume

4 mL

Minimum Specimen Volume

1 mL

Transport Temperature

Refrigerate

Specimen Stability

24 hours refrigerated

Reasons for Rejection

Specimen clotted, <1.0 mL, greater than 24 hours old, specimen frozen

Methodology

Photometrical measurement of RBC aggregation

Reference Ranges

Male 0-15 Female 0-20

Turnaround Time

Daily

CPT Code

85651

Units of Measure

mm/Hr

Days and Times Performed

24 hours a day, 7 days a week

LOINC Code

30341-2