| The profession of clinical laboratory science includes
the application of physical, chemical and biological principles to the
performance of laboratory procedures. It encompasses research,
development, teaching, supervision, and performance of these procedures
and services. Clinical Laboratory Science is an independent profession
which participates in and contributes to health services. Clinical
laboratory professionals include clinical laboratory scientists, medical
technologists, medical laboratory technicians, clinical chemists,
clinical microbiologists, nuclear medicine technologists,
cytotechnologists, histotechnologists, and phlebotomists. Clinical
laboratory professionals are employed in a variety of professional
settings, including hospital and independent clinical laboratories,
research institutes, clinics, blood banks, academic institutions,
environmental and veterinarian laboratories, physician offices and
industry.
In this country, five billion laboratory tests are performed
annually. These tests range from a simple premarital blood test to
complex procedures to detect and monitor diseases such as diabetes and
cancer. Physicians use these results to diagnose abnormal conditions,
prescribe therapies and evaluate their treatments. A mistake or
incorrect data at this level of care could be life threatening, or at
the very least, have a significant negative financial impact on the
patient or the health care system. It is often impossible for a
physician to detect an error in laboratory data using only his or her
training, since in most instances, this training does not include
specific courses in the theory, troubleshooting or performance of
laboratory tests.
Even the simplest "kit" procedures for pregnancy and blood sugar
available in stores contain within their directions the warning that if
an unexpected result occurs, or if the user experiences problems in any
way, the result may not be right, and a trained professional needs to be
consulted. This acknowledges that written directions cannot possibly
cover every conceivable event when dealing with the human body and all
potential disease situations. Therefore, the greatest confidence about
a laboratory result comes when it is performed by laboratory personnel
who are trained, educated and have demonstrated skills in relating
laboratory information to disease. They must be able to discriminate
between subtle instrument or test system malfunctions and valid patient
data indicating a disease state. Such formal training is currently
available in every state in this country through nationally accredited
programs in hospitals, community colleges and universities.
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