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
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 4 mL | Whole blood | EDTA (Lavender) | Refrigerated |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Refrigerated | 24 hours |
| Ambient | 4 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 | Normal | 0-15 | mm/Hr | Female | 99 | Normal | 0-20 | mm/Hr |
Special Info
Results must be interpreted cautiously in anemia
Clinical Info
Nonspecific measure of inflammatory disease activity