Sedimentation Rate, Modified Westergren
Test Code: 005215
Performing Lab: LabCorp
CPT Code: 85652 001
Synonym
Erythrocyte Sedimentation Rate; ESR; Westergren Sedimentation Rate
Specimen Type
Whole blood
Specimen Container
Lavender-top (EDTA) tube
Volume
Tube fill capacity
Minimum Volume
2 mL(NOTE: This volume does NOT allow for repeat testing.)
Specimen Handling
Invert tube immediately 8 to 10 times once tube is filled at time of collection.
Unacceptable Conditions
Hemolysis; clotted specimen; underfilled tube; specimen older than 24 hours; improper labeling; transfer tubes with whole blood; specimen received in any anticoagulant other than EDTA; specimen diluted or contaminated with IV fluid; patient specimen with presence of cold agglutinins or cryoglobulins; specimen received with plasma removed
Temperature
Refrigerate
Methodology
Modified Westergren; automated and manual methods are employed.
Stability
Refrigerated: 24 hours
| Result Code | Result Name | LOINC |
|---|---|---|
| 005215 | Sedimentation Rate-Westergren | 4537-7 |
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