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Test ID BLOD0637 ERYTHROCYTE SEDIMENTATION RATE

AKA

ESR,

Sed Rate,

Sedimentation Rate

Specimen Type/Requirements

Perform venipuncture according to standard operating procedure. Fill a 1.2 mL Streck ESR-Vacuum tube to the fill line indicated on the tube ± 5 mm. Immediately mix 6-8 times making sure the air bubble in the tube reaches the opposite end between each inversion. Blood can also be transferred from a lavendar-top (EDTA) tube into a Streck ESR-Vacuum tube if done within 2 hours of collection and run immediately.

Minimum Volume

1.2 mL whole blood ± 5 mm

Transport Temperature

Transport refrigerated. Specimens collected in a Streck ESR-Vacuum tube are stable up to 8 hours at room temperature or 72 hours at 2-8 C.

Performed Test Frequency

Daily as received.

Methodology

Modified Westergren method

CPT

85651; 85652

Performing Lab

Sanford Fargo