Erythrocyte Sedimentation Rate (ESR), Sodium Citrate Whole Blood
Synonyms/Also Known as
C-reactive Protein, ANA, Rheumatoid Factor
Why get tested?
To detect the presence of infection or inflammatory conditions like bacterial infections, temporal arteritis, systemic vasculitis, polymyalgia rheumatica, or rheumatoid arthritis, autoimmune diseases or tumors.
When to get tested?
When there are signs and symptoms like headaches, neck or shoulder pain, pelvic pain, anemia, poor appetite, unexplained weight loss, and joint stiffness which are associated with conditions like temporal arteritis, systemic vasculitis, polymyalgia rheumatica, or rheumatoid arthritis.
Test preparation needed
No special preparation required
About The Test
How is it used
1. Is ESR done as a routine screening test?
No. ESR is not a specific test and it does not indicate a single or specific condition or disease. ESR test is affected by many factors other than inflammation and hence it is not recommended as a routine screening test.
2. What other tests are useful besides ESR?
Depending on the symptoms, C-reactive protein, complete blood picture, antinuclear antibody (ANA), rheumatoid factor (RF), fibrinogen or serum protein electrophoresis may be useful investigations besides ESR.
3. What does elevated ESR mean?
Elevated ESR indicate presence of infection or inflammation. In cases of chronic inflammatory disease, the results of ESR fluctuate with the degree of severity of the disease.