Complete Blood Count (CBC) with Peripheral blood smear and ESR

Complete Blood Count (CBC) with Peripheral blood smear and ESR

Preferred Specimen(s) Two 3 mL whole blood in EDTA vacutainer, fresh slide smear

Instructions Slide smear should be dry and thin

Transport Container

• EDTA Vial (lavender top tube),
• Sodium citrate vial (black-top tube)

Transport Temperature Room temperature or Refrigerated; Stability 48 hrs

Reject Criteria

• Heparinized sample;
• frozen;
• hemolyzed specimen

Methodology Cell Counter/Microscopic examination/ Westergren Method

ESR testing should be performed within 24 hours of specimen collection. An alternative acute inflammatory marker is C reactive Protein (CRP).

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