Sedimentation Rate, Westergren




Test Mnemonic

WSR

CPT Codes

  • 85652 - QTY (1)

LOINC ®

4537-7

Aliases

  • Erythrocyte Sedimentation Rate
  • ESR
  • Westergren Sedimentation Rate
  • WSR

Performing Laboratory

n/a


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
4 mLWhole bloodEDTA (Lavender) Refrigerated 

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1.5 mL     

Stability

Environmental Condition Description
Refrigerated24 hours
Ambient4 hours

Days Performed

Sun - Sat

Turnaround Time

Same day within 2 hours of testing

Methodology

Name Description
Westergren 

Reference Range

Sedimentation Rate, Westergren
Sex Age From Age To Type Range Range Unit
Male   99  Normal0-15mm/Hr
Female   99  Normal0-20mm/Hr

Special Info

Results must be interpreted cautiously in anemia

Clinical Info

Nonspecific measure of inflammatory disease activity

Clinical Limitation

n/a

Clinical Reference

n/a