Laboratory medicine remains a cornerstone of modern healthcare, shaping a large share of clinical decisions. The accuracy, speed and interpretation of test results directly affect diagnosis, treatment choices and overall patient outcomes. As diagnostic technologies continue to advance, questions around governance, professional roles and leadership within laboratory systems have also gained renewed attention. In Ghana, these discussions mirror a wider global conversation on how diagnostic services should be structured to ensure quality, efficiency and patient safety.
International experience shows that debates over laboratory leadership are not unique to Ghana. In the United Kingdom, reforms within the National Health Service helped clarify the distinct roles of biomedical scientists and pathologists, separating operational responsibilities from clinical interpretation. In the United States, the Clinical Laboratory Improvement Amendments framework places emphasis on competency-based leadership rather than professional exclusivity. South Africa’s National Health Laboratory Service also operates a blended model that brings together pathologists, scientists and technologists under a shared governance structure. Across these systems, the guiding principle is collaboration and functional differentiation rather than hierarchical control.
At the heart of Ghana’s debate is a broader misunderstanding of how modern laboratory medicine functions. The field operates through two closely linked areas: analytical processes and clinical interpretation. Medical Laboratory Scientists (MLS) are responsible for ensuring accuracy, quality control and the reliability of laboratory testing across all phases. Laboratory physicians, on the other hand, focus on advanced interpretation, correlation with clinical findings and guiding patient management. Rather than competing roles, they are complementary and interdependent, with effective diagnostics relying on coordination between both.
In practical terms, MLS professionals handle routine and specialised laboratory processes, including test validation, quality assurance and technical consultation across disciplines such as haematology, clinical chemistry and infectious disease diagnostics. Laboratory physicians are more involved in complex diagnostic challenges, including cancer interpretation and transfusion-related complications. Effective laboratory governance therefore depends on matching responsibilities with specific expertise.
Over the years, the competency profile of Medical Laboratory Scientists in Ghana has also expanded significantly. Training now includes molecular diagnostics, laboratory informatics, quality systems and research, supported by postgraduate programmes and professional certification through institutions such as the West African Postgraduate College of Medical Laboratory Science. This shift reflects a global move toward more specialised and systems-driven laboratory practice, positioning MLS professionals not only as technical experts but also as potential leaders in quality management and laboratory governance.
Ghana’s regulatory framework further supports this evolution. The Health Professions Regulatory Bodies Act, 2013 (Act 857) recognises Medical Laboratory Science as an independent profession regulated by the Allied Health Professions Council. Under this law, MLS practitioners are responsible for generating, validating and ensuring the quality of diagnostic data. International standards such as ISO 15189 also assign key responsibilities in quality management and continuous improvement to trained laboratory professionals, reinforcing the importance of competence-based leadership.
The ongoing discussions at Korle Bu Teaching Hospital highlight the tension between traditional structures and modern laboratory practice. While pathology historically dominated laboratory governance, advances in training, regulation and technology have shifted the field toward a more competency-driven model. The current debate, therefore, reflects a broader transition in how laboratory systems are managed, rather than a simple contest for authority.
Concerns that MLS leadership represents “scope creep” do not fully reflect the nature of laboratory medicine, which is inherently interdisciplinary. Medical Laboratory Scientists are not seeking to take over clinical roles but to exercise leadership within their defined technical and operational areas. Similarly, claims about patient safety must be supported by evidence, as safety outcomes are more closely linked to strong quality systems, clear role definition and adherence to standards than to professional title alone. In fact, several MLS-led laboratories in Ghana have achieved international accreditation through robust quality improvement frameworks aligned with global benchmarks.
A more practical and sustainable approach is a co-governance model. In such a system, MLS professionals would lead laboratory operations, quality assurance and workflow management, while laboratory physicians provide clinical oversight and expert interpretation in complex cases. Shared governance structures, including management boards and multidisciplinary teams, would ensure coordination, accountability and continuous improvement.
Ultimately, the key issue is not professional control but how best to organise laboratory services to improve patient care. Diagnostic systems work most effectively when roles are clearly defined, expertise is properly utilised and collaboration is embedded in practice. For Ghana, moving toward a competency-based and integrated governance model offers a more sustainable path forward. The true strength of laboratory medicine lies not in hierarchy, but in coordinated expertise, mutual respect and a shared commitment to quality and patient outcomes.
The writer, Emmanuel Akomanin Asiamah is a Faculty Member, Department of Medical Laboratory Sciences, University of Health and Allied Sciences (UHAS), Ho, and Consultant Medical Laboratory Scientist, Ho Teaching Hospital, Ghana.