| Test Name: | Erythrocyte Sedimentation Rate (ESR) |
| Epic Order Code: | LAB322 | | |
| CPT Code: | 85652 | | |
| Specimen(s) Type: | Whole blood (microtainers not acceptable); 2.0 mL minimum volume |
| Acceptable Container(s): |  Top is purple (lavender). |
| Testing Schedule: | 24 hours/day, 7 days/week |
| Turn Around Time: | STAT: NA |
| | Routine: 1 hour | | |
| Collection Information: | No special patient preparation is required. Obtain specimen by standard collection procedures. |
| Transport Information: | Deliver to lab immediately. All specimens must be signed into the laboratory. |
| Reference Clients: | If unable to deliver to the lab immediately, store and transport specimen at 2-8° C. Specimen must be received in the lab within 24 hours. |
| Causes for Rejection: | Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport, grossly hemolyzed or lipemic, clotted. |
| Reference Range: | Neonates, 0 to 1 month: | 0-2 mm/hr |
| | Children, 1 month - 16 yrs: | 0-13 mm/hr |
| | Female, 16 - 50 yrs: | < 20 mm/hr |
| | Female, > 50 years: | < 30 mm/hr |
| | Male, 16 - 50 yrs: | < 15 mm/hr |
| | Male, > 50 yrs: | < 20 mm/hr |
| Additional Information: | |