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Two basic types of preparation are used to visualize specimens with a light microscope: wet mounts and fixed specimens.
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Accurate and Simple Evaluation of Vascular Anastomoses in Monochorionic Placenta using Colored Dye
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Colour coding for blood collection tube closures - a call for harmonisation.

Ana-Maria Simundic, Michael P Cornes, Kjell Grankvist

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    Patient safety is at risk due to inconsistent blood collection tube colors, leading to pre-analytical errors. Harmonizing tube closure colors worldwide is crucial to reduce diagnostic errors and improve patient care.

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    Area of Science:

    • Clinical diagnostics
    • Laboratory medicine
    • Patient safety

    Background:

    • Adverse events affect at least 10% of hospitalized patients, with many errors linked to laboratory diagnostics.
    • Past efforts to reduce laboratory errors have focused on the measurement phase, neglecting pre- and post-analytical stages like sampling and reporting.
    • Inconsistent color-coding of blood collection tube closures across manufacturers poses a significant risk for pre-analytical errors.

    Purpose of the Study:

    • To highlight the risks associated with non-standardized color-coding of blood collection tube closures.
    • To advocate for the worldwide harmonization of color coding for blood collection tube closures and labels.
    • To emphasize the importance of harmonized coding in reducing pre-analytical errors and enhancing patient safety.

    Main Methods:

    • Review of current practices in laboratory diagnostics and error reporting.
    • Analysis of the impact of non-standardized color-coding on pre-analytical error rates.
    • Examination of existing guidelines and recommendations for laboratory sample collection.

    Main Results:

    • Pre-analytical errors, including those related to sampling, are a significant source of adverse events in hospitals.
    • The lack of standardized color-coding for blood collection tube closures creates confusion and increases the potential for diagnostic errors.
    • Different manufacturers use varying color codes, leading to risks when tubes are interchanged.

    Conclusions:

    • Worldwide harmonization of blood collection tube closure and label color-coding is essential.
    • Standardized color-coding will mitigate pre-analytical errors, thereby improving patient safety.
    • Addressing pre-analytical variables like tube color is critical for reducing overall laboratory-related errors.