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Test Code 009 Erythrocyte (RBC) Sedimentation Rate (ESR)

Additional Codes


PowerChart: Sedimentation Rate RBC

MA Cerner: Sed Rate.

Specimen Requirement

1.5 mL whole blood is required. The specimen is stable for 5 hours at room temperature; 24 hours if sample is refrigerated.

Additional Specimen Collection Information

Collect blood in an EDTA purple-top tube. Specimen is stable at room temperature for 5 hours.

Useful For

Determining presence of acute or chronic inflammatory process in the body. Most often used when giant cell arteritis, polymyalgia rheumatica or rheumatoid arthritis is suspected.


Performed Monday through Sunday.

Routine: Typically completed within 4 hours after the specimen arrives at the testing site.

STAT: Typically completed within 45 minutes after the specimen arrives at the testing site.

CPT Code Information

85652 Coagulopathy Testing: Sedimentation rate, erythrocyte; automated

LOINC Code Information

30341-2 Erythrocyte Sedimentation Rate

Test Method

Red Cell Aggregation; Excyte M Vital Diagnostics

Reference Values

Male: 0-15 mm/Hr

Female: 0-20 mm/Hr