Test Mnemonic SEDR Sedimentation Rate, RBC

Methodology

Clinical Significance:

Monitor therapy in inflammatory diseases reflects acute phase reactant levels. Primarily used in diagnosis of rheumatoid diseases.

Hallmark Health

Container/Tube: Black-top EDTA or Vacu-tec^TM tube(s) - Clotted or underfilled tube is not acceptable.

Specimen: 1 mL of EDTA whole blood

Transport Temperature: Refrigerate

Collection Instruction: Fill tube completely.

Males

<50 years: 0-15 mm/hr

≥50 years: 0-20 mm/hr

Females

<50 years: 0-20 mm/hr

≥50 years: 0-30 mm/hr

Limitations:

Anemia and paraproteinemia alter the results. Westergren sedimentation rates will be increased during pregnancy.