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Test Code ESR Erythrocyte (RBC) Sedimentation Rate (ESR) LAB322

Test Method

Red Cell Aggregation; Alcor miniiSED.

Performance

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.

Specimen Requirement

4.0 mL EDTA whole blood is required.

The minimum volume is 0.5 mL. EDTA microtainers are acceptable.

The specimen is stable for 4 hours at room temperature; 24 hours if sample is refrigerated.

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.

Reference Values

  1. Females:
    Under 50 years old: 0-20 mm/hr
    Over 50 years old: 0-30 mm/hr
  2. Males:
    Under 50 years old: 0-15 mm/hr
    Over 50 years old: 0-20 mm/hr

CPT Code Information

85652 Coagulopathy Testing: Sedimentation rate, erythrocyte;
automated

LOINC Code Information

30341-2 Erythrocyte Sedimentation Rate