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Sedimentation Rate
MessageThe ESR is helpful in revealing inflammatory activity and in monitoring the progress of conditions associated with acute and chronic inflammation, including infections, cancers, and autoimmune diseases.
Test Code
ESR
Alias/See Also
LAB3010030
ESR
ESR
CPT Codes
85652
Preferred Specimen
4.0 mL whole blood collected in a K2 EDTA vaccutainer (lavender tube)
Minimum Volume
0.5 mL whole blood
Other Acceptable Specimens
Whole blood collected in EDTA capillary tubes, raised bottom tubes
Specimen Stability
Samples stored refrigerated (2 - 8oC) with normal results may be analyzed up to 48 hours without significant loss of differential stability.
Microtainers should be analyzed within 4 hours of collection.
Sample stability at room temperature is 24 hours for samples collected in 4 mL EDTA tubes.
Microtainers should be analyzed within 4 hours of collection.
Sample stability at room temperature is 24 hours for samples collected in 4 mL EDTA tubes.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted samples
Grossly hemolyzed samples
Contaminated samples
Grossly hemolyzed samples
Contaminated samples
Reference Range
| Sex | Age | Reference Range |
|---|---|---|
| M/F | 0 - 20 days | 0 - 2 mm/hr |
| M/F | 21 days - 17 years | 3 - 13 mm/hr |
| M | 18 - 50 years | 0 - 14 mm/hr |
| F | 18 - 50 years | 0 - 19 mm/hr |
| M | 51 - 150 years | 0 - 19 mm/hr |
| F | 51 - 150 years | 0 - 29 mm/hr |
Performing Laboratory
Penn Medicine Lancaster General Health
