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Sedimentation Rate (ESR), Automated

Test Code
ESR


Preferred Specimen
Whole Blood, EDTA, 2 mL minimum


Instructions
Keep refrigerated. Deliver to Lab within 12 hours. Microcontainer specimens not acceptable.


Transport Container
Lavender top


Transport Temperature
Specimen stable for 4 hours at room temp., 12 hours if refrigerated.


Reference Range
See report for normal ranges.


Clinical Significance
Erythrocyte sedimentation is a nonspecific reaction. The sedimentation of red cells in autologous plasma provides a measure of the acute phase reaction to inflammation. The ESR is increased when acute phase proteins are elevated, as seen in acute tissue damage, chronic inflammation, chronic infection, and pregnancy.




The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.