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Erythrocyte Sedimentation Rate (ESR)

Erythrocyte Sedimentation Rate (ESR) CPT: 85652

Expected Turnaround Time

Within 1 day

Specimen Requirements

Specimen

Whole blood

Volume

Tube fill capacity

Minimum Volume

2 mL

Container

Lavender-top (EDTA) tube

Collection

Invert tube 8 to 10 times immediately after tube is filled at the time of collection.

Storage Instructions

Maintain specimen at room temperature.

Stability Requirements

Temperature Period
Refrigerated 24 Hours

Patient Information

To detect the presence of inflammation caused by one or more conditions such as infections, tumors or autoimmune diseases; to help diagnose and monitor specific conditions such as temporal arteritis, systemic vasculitis, polymyalgia rheumatica, or rheumatoid arthritis.

When your health practitioner thinks that you might have a condition causing inflammation; when you have signs and symptoms associated with temporal arteritis, systemic vasculitis, polymyalgia rheumatica, or rheumatoid arthritis such as headaches, neck or shoulder pain, pelvic pain, anemia, poor appetite, unexplained weight loss, and joint stiffness.

A blood sample drawn from a vein in your arm.

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