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Medical technologist
A medical laboratory scientist (MLS) (also referred to as a medical technologist, a clinical scientist, or clinical laboratory technologist) is a healthcare professional who performs chemical, hematological, immunologic, microscopic, and bacteriological diagnostic analyses on body fluids such as blood, urine, sputum, stool, cerebrospinal fluid (CSF), peritoneal fluid, pericardial fluid, and synovial fluid, as well as other specimens. Medical laboratory scientists work in clinical laboratories as well as hospitals, physician’s offices, reference labs, biotechnology labs and non-clinical industrial labs.
In the United States, a medical laboratory scientist (MLS), medical technologist (MT) or clinical laboratory scientist (CLS, California only) typically earns a bachelor’s degree in clinical laboratory science, biomedical science, medical technology or in a life / biological science (biology, biochemistry, microbiology, etc.), in which case certification from an accredited training program is also required. Medical technologists who are certified and in good standing by a number of certification bodies, including the National Medical Laboratory Science Council or the American Society for Clinical Pathology (ASCP) are entitled to use the credential “MLS” after their names.
Subspecialties also requiring a four-year degree include cytotechnologists, who study cells and cellular anomalies, and histotechnologists, who work on the detection of tissue abnormalities and the treatment for the diseases causing the abnormalities.
In addition, there are also medical laboratory technicians (MLTs) who earn two-year degrees plus certification.
In the United States, the Clinical Laboratory Improvement Amendments (CLIA ’88) define the level of qualification required to perform tests of various complexity. Clinical laboratory scientists, medical technologists and medical laboratory scientists are the highest level of qualification, and are generally qualified to perform the most complex clinical testing including HLA testing (also known as tissue typing) and blood type reference testing.
Most medical technologists are generalists, skilled in all areas of the clinical laboratory. However some are specialists, qualified by unique undergraduate education or additional training to perform more complex analyses than usual within a specific field. Specialties include clinical biochemistry, hematology, coagulation, microbiology, bacteriology, toxicology, virology, parasitology, mycology, immunology, immunohematology (blood bank), histopathology, histocompatibility, cytopathology, genetics, cytogenetics, electron microscopy, and IVF labs.
Medical technologists with such a specialty may use additional credentials, such as “SBB” (Specialist in Blood Banking) from the American Association of Blood Banks, or “SH” (Specialist in Hematology) from the ASCP.
In the United States, Medical Laboratory Scientists can be certified and employed in infection control. These professionals monitor and report infectious disease findings to help limit iatrogenic and nosocomial infections. They may also educate other healthcare workers about such problems and ways to minimize them.
November 6, 2006 “Intelligence: Late Breaking Lab News”
By Robert Michel | From the Volume XIII No. 15 – November 6, 2006 Issue
There’s regulatory relief for California labs in the important area of technical staff licensing. California’s Department of Health Services (DHS) has approved the Board of Registry medical technologist (MT) examination administered by the American Society of Clinical Pat…
Pathologist-Entrepreneurs Offer New Lab Automation
By Robert Michel | From the Volume XIII No. 11 – August 14, 2006 Issue
CEO SUMMARY: Since October 2003, the core laboratory of Detroit Medical Center University Laboratories has operated with a home-grown total laboratory automation (TLA) system. The 100-foot automated line currently connects to 11 instruments and the hardware cost only $200,000 to build and…
More Labs Opt to Use and Lab Automation
By Robert Michel | From the Volume XIII No. 8 – June 12, 2006 Issue
CEO SUMMARY: Many of the nation’s more innovative laboratory organizations are paying closer attention to laboratory productivity and operational performance. To achieve improved operations, these labs are putting three tools to greater use. They are using targeted automation solutions …
Seoul, Korea Hosts Lab Automation Meeting
By Robert Michel | From the Volume XIII No. 6 – May 1, 2006 Issue
CEO SUMMARY: It was the fifth “International Conference on Laboratory Automation and Robotics.” Over the past decade, this meeting, started by the pioneers of clinical laboratory automation, has been the major forum to meet and discuss advances in all aspects of automation. This confe…
Middleware Is Hot Topic At Labinfo Tech Meeting
By Robert Michel | From the Volume XIII No. 4 – March 20, 2006 Issue
CEO SUMMARY: Middleware is a growing component in the market for laboratory information services. Labs are asking vendors to provide targeted software solutions to address a growing list of needs and functions. To fill this demand, specialty software companies and IVD firms are introducin…
Many Trends in AP Spell Lots of Change Ahead
By Robert Michel | From the Volume XIII No. 2 – February 6, 2006 Issue
CEO SUMMARY: Every second year, THE DARK REPORT releases its list of key trends in anatomic pathology. These trends help shape an understanding about the state of the pathology profession. Our current list includes 11 identifiable trends. This is not an auspicious sign for pathologists wh…
January 16, 2006 “Intelligence: Late Breaking Lab News”
By Robert Michel | From the Volume XIII No. 1 – January 16, 2006 Issue
In recent months, the buzz around the lab industry in Southern California has been that Healthline Clinical Laboratories, Inc. is up for sale. THE DARK REPORT believes news of a sales agreement is imminent. The new buyer is likely to be a pair of looking-for-work lab executives in th…
OML Graduates First Distance-Learning MTs
By Robert Michel | From the Volume XII No. 15 – October 24, 2005 Issue
CEO SUMMARY: Faced with staffing shortages and a ready pool of B.S. graduates in the local community, two years ago, Oregon Medical Laboratories decided to use long-distance learning programs to recruit and train employees interested in earning certification as MTs and MLTs. This business…
Houston Lab Fills Gap For Katrina Evacuees
By Robert Michel | From the Volume XII No. 13 – September 12, 2005 Issue
CEO SUMMARY: Literally overnight, Houston found itself dealing with tens of thousands of evacuees fleeing the destruction in New Orleans and surrounding areas. Many evacuees arrived in poor health. The Harris County Hospital District laboratorians of Houston pitched in to create an emerge…
Molecular Diagnostics: How Beaumont Built A Successful Program
By Robert Michel | From the Volume XII No. 11 – August 1, 2005 Issue
CEO SUMMARY: It was about 15 years ago when William Beaumont Hospital and Beaumont Reference Laboratories first began offering molecular diagnostic testing services to clinicians. This successful effort came about because of effective strategic planning, use of consulting expertise at key…
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Volume XXXII, No. 6 – April 21, 2025
Now that a federal judge has vacated the FDA’s LDT rule, The Dark Report analyzes the judgement and notes the various steps the FDA could take in response. Also, lab testing at pharmacies is proving to be less successful than was once anticipated.
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