Diagnostic Test Directory

Hematology Laboratory

Erythrocyte Sedimentation Rate (ESR)

  • Synonyms: Sed Rate
  • LIS Mnemonic: ESR

    Collect

    Lavender (EDTA) - Vacutainer tube

    Volume Required

    2 ml

    Minimum Required

    1 ml

    Transport

    Room temperature

    Stability

    Room Temperature, 4 hours from time of phlebotomy. Refrigerated, 8 hours from time of phlebotomy.

    Unacceptable conditions

    1. Inadequately filled specimens,2. specimens > 4 hours old from the time of collection.3. Microtainers are unacceptable for this test - minimum volume of 1 ml must be from a venous draw and placed in a Vacutainer tube.

Days Performed

24 hours/day, 7days/week

Reported

90 Minutes

Reflex Testing

N/A

CPT

85651

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