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HelpTest Code LAB322 Erythrocyte Sedimentation Rate (ESR), Blood
Useful For
- Evaluating inflammatory activity
- Monitoring the progress of conditions associated with acute and chronic inflammation, such as infection, cancer, and autoimmune disease
Methodology
Quantitative Capillary Photometry
Performing Laboratory
Bozeman Health Laboratory Services
Specimen Requirements
Specimen Type: Whole blood
Container/Tube: Lavender top (EDTA)
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL
Collection Instructions: If there is a delay in transport of >6 hours, refrigerate specimen, and send specimen refrigerated within 24 hours.
Specimen Transport Temperature
Ambient <6 hours/Refrigerated >6 hours
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| EDTA whole blood | Ambient | 6 hours |
| Refrigerated | 24 hours |
Reference Values
| ESR | Age Break | Normal Range |
|---|---|---|
| Males | 0 - 13 years | 0-20 mm/hour |
| 13 - 50 years | 0-15 mm/hour | |
| > 50 years | 0-20 mm/hour | |
| Females | 0 - 50 years | 0-20 mm/hour |
| > 50 years | 0-30 mm/hour |
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
85651