| Ordering Code | 534 |
|---|---|
| Test Name | Sedimentation Rate |
| Alias | Sed Rate ESR Erythrocyte Sedimentation Rate |
| Preferred Specimen | Whole Blood |
| Preferred Container | EDTA, K2 (Lavender) |
| Optimum Volume | 3 mL |
| Collection Instructions | Mix well EDTA tubes must be filled with at least 50% of the draw volume. |
| Handling Instructions | Refrigerate specimen if transport time >8 hours. |
| Transport Requirements | Oahu: Ambient Airline: Refrigerated Refrigerate if test not performed within 8 hours after collection. |
| Specimen Stability | Ambient: 8 Hours Refrigerated: 24 Hours |
| Rejection Criteria | Clotted, Expired container/ transport media, Frozen, Grossly hemolyzed, Insufficient quantity, Specimen beyond stability limits, Wrong specimen type, microtube w/o pierceable cap, Grossly lipemic |
| Avail. Stat | NO |
| Analytic Time | 1 Day |
| Methodology | Photometric Rheoscope |
Reference range(s)
The reference ranges listed below are valid on this date of October 28, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Sedimentation Rate | >=50Y | 0-20 | 0-30 | mm/hr | |||||
| Sedimentation Rate | 14Y-49Y | 0-15 | 0-20 | mm/hr | |||||
| Sedimentation Rate | 0-14Y | 0-13 | 0-13 | mm/hr |
