Erythrocyte Sedimentation Rate (ESR) (Sed Rate)
Order Name
ESR
Test Number: 0107000
Revision Date 10/01/2022
Test Number: 0107000
Revision Date 10/01/2022
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Erythrocyte Sedimentation Rate (ESR) (Sed Rate)
|
Westergren | 82477-1 (4537-7) |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 4 mL (1.5mL) | Whole Blood | EDTA (Lavender Top) | Room Temperature |
| Instructions | Specimen must be tested within the first 24 hours of collection. EDTA Microtainers (bullets) are not acceptable specimens. Note: Specimens sent to the main lab at St. John Medical Center - Tulsa (during weekends and holidays): due to different methods of testing must be started within 4 hours of collection (if kept at room temperature) or within 12 hours of collection (if refrigerated, 2-6 C). |
|||
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Daily |
| Expected TAT | 1 Day |
| Clinical Use | The erythrocyte sedimentation rate is used as a marker of tissue inflammation. |
| Notes | The LOINC code of 82477-1 is for the test performance at the Labcorp Oklahoma, Inc. Central laboratory. The LOINC code of 4537-7 is for the test performance at the St John local area hospitals. |
| CPT Code(s) | 85652 |
| Lab Section | Hematology |