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- Ordering Info
To view specimen requirements and codes please select your laboratory:
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Sed Rate by Modified Westergren
Whole blood: Full EDTA (lavender-top) tube
Maintain specimen at room temperature. If multiple tests are ordered, please submit a separate tube for this test.
EDTA (lavender-top) tube
Room temperature: 24 hours
Refrigerated: 24 hours
Hemolysis • Samples >24 hours old • Clotted
|6700 Steger Drive|
|Cincinnati, OH 45237-3046|
Set up: Mon-Sun continuous; Report available: 1 day
Patients with polycythemia and many hemoglobin abnormalities may have depressed sed rates whereas patients with anemia may have elevated sed rates.
|≤50 Years||≤15 mm/h||≤20 mm/h|
|>50 Years||≤20 mm/h||≤30 mm/h|
Useful in differentiating inflammatory and neoplastic diseases and as an index of disease severity. CRP is also useful in monitoring inflammatory disease states.
The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.NOTE: The codes listed in the table below are not orderable Test Codes.
|Result Name||LOINC Code||Component Name|
|30045300||SED RATE BY MODIFIED WESTERGREN||4537-7||Erythrocyte sedimentation rate|
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.