Compare this test’s laboratory options
Sedimentation Rate (ESR)
Quest Diagnostics1 test optionFrom $10.27
Sedimentation Rate (ESR)
Quest DiagnosticsCatalog information reviewed: August 24, 2026 by the Sunridge Medical clinical team.
What this laboratory test evaluates
Sed Rate by Modified Westergren
This test is key for distinguishing between inflammatory and neoplastic diseases, and it serves as a measure of disease severity. CRP (C-reactive protein) levels are also checked to monitor the state of inflammatory diseases.
What patients is this test right for?This test may be recommended for individuals experiencing symptoms that suggest inflammation or the presence of a neoplastic disease.
What type of sample is required for this test?Whole blood: A full EDTA (lavender-top) tube is needed for this test.
Test ResourcesNot available.
Additional test information
Sed Rate is useful in differentiating inflammatory and neoplastic diseases and as an index of disease severity. CRP is also useful in monitoring inflammatory disease states.
Collection and processing
- Sample type: Whole blood
- Fasting: No
- Estimated laboratory processing: Results should be available in 2 – 5 business days after the sample is collected
How Sunridge uses laboratory information
Sunridge considers the medical question, symptoms, history, medications, prior results, and whether the finding could change care before recommending testing. A laboratory result is not interpreted in isolation and does not establish a diagnosis by itself.
Before requesting this test
Availability, collection requirements, eligibility, and processing estimates can change. Sunridge reviews each request and, when appropriate, creates the order through Fullscript. Follow the current instructions supplied with the approved order.
Common questions about this laboratory test
- What sample does this test require?
- The listed sample type is Whole blood. Confirm current collection instructions in the approved order.
- Does this test require fasting?
- The current catalog record lists fasting as: No. Follow the instructions supplied with the approved order.
- How long does laboratory processing usually take?
- Results should be available in 2 – 5 business days after the sample is collected. Timing can change after collection or if a laboratory requires additional review.
About this test
Sed Rate by Modified Westergren
This test is key for distinguishing between inflammatory and neoplastic diseases, and it serves as a measure of disease severity. CRP (C-reactive protein) levels are also checked to monitor the state of inflammatory diseases.
What patients is this test right for?This test may be recommended for individuals experiencing symptoms that suggest inflammation or the presence of a neoplastic disease.
What type of sample is required for this test?Whole blood: A full EDTA (lavender-top) tube is needed for this test.
Test ResourcesNot available.
Additional details
Sed Rate is useful in differentiating inflammatory and neoplastic diseases and as an index of disease severity. CRP is also useful in monitoring inflammatory disease states.
Highlighted health areas
- Hematology
- Immune System
- Autoimmune
Biomarkers and report focus
The exact analytes and report format can change. Confirm the current contents in the Fullscript order before payment.
- Sed Rate by Modified Westergren