4 - 8 hours
Peripheral Blood Smear Evaluation
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To determine the presence of clinically significant changes in red blood cell morphology, including hemolytic indicators such as schistocytes and spherocytes.
No significant RBC morphology noted. Note: This includes the absence of hemolytic indicators such as schistocytes and spherocytes.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect specimen in a lavender top EDTA K2 Vacutainer® tube or EDTA K2 Microtainer® tube. Send intact within 8 hours of collection if stored at room temperature or if stored refrigerated.Two unstained peripheral smears made from the specimen at the time of collection may be submitted concurrently if transport cannot be done within 8 hours, in which case the specimen must be received within 24 hours kept at room temperature, or 48 hours if refrigerated. NOTE: Blood smear preparation cannot be done on specimen more than 8 hours old due to increased cellular degeneration. This may result in the Red Blood Cell Morphology being canceled.