Hematology automation has progressed steadily since Wallace Coulter first applied electrical impedance technology to counting red cells and white cells. By the 1980s, most hematology laboratories were reporting out a 7-parameter complete blood count and three-part differential obtained from a single aspiration on a stand-alone, bench-top instrument. Eventually, this process was upgraded even further when it became possible to obtain these results without uncapping the sample. When this became state-of-the-art, CBC turnaround time was primarily dependent on how fast a laboratorian could do a manual 100-cell differential and/or a manual reticulocyte count.
Read more:
Automation in hematology: Here's the state of the art in 2014
Source: Medical Laboratory Observer
Image credits:
MLO
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