Health science is a vast, dynamic field encompassing hundreds of careers dedicated to promoting, restoring, and maintaining human health. To organize this complex industry, health science professions are grouped into five distinct career pathways. This classification system provides a structured framework for understanding diverse roles, allowing individuals to align their interests—such as direct patient care, technological analysis, administrative management, facility safety, or scientific discovery—with a clear professional trajectory. The five pathways offer a comprehensive view of the entire healthcare ecosystem.
Defining the Five Health Science Career Pathways
The health science industry is organized around five career pathways, each representing a primary function in the delivery of care and advancement of medical knowledge.
Therapeutic Services Pathway: Focuses on changing a patient’s health status over time through direct treatment and counseling.
Diagnostic Services Pathway: Involves creating a picture of a patient’s health at a single point in time using tests and imaging to identify conditions.
Health Informatics Pathway: Centers on managing patient data, financial information, and the technology necessary to run healthcare systems efficiently.
Support Services Pathway: Dedicated to creating and maintaining a safe, clean, and functional environment for patients and staff.
Biotechnology Research and Development Pathway: Drives innovation through scientific research, drug discovery, and device creation.
Therapeutic Services Pathway
The Therapeutic Services Pathway includes commonly recognized healthcare professions that provide hands-on care, treatment, counseling, and health education. Professionals in this pathway directly impact a patient’s health status over time. Since these roles involve continuous interaction and long-term treatment planning, strong communication skills and emotional intelligence are highly valued.
Direct Patient Care Roles
Direct patient care roles, such as registered nurses and physicians, require high levels of responsibility. Registered nurses typically need an associate’s degree (ADN) or a Bachelor of Science in Nursing (BSN). Physicians require extensive post-graduate education, including a medical degree and residency training. Medical assistants handle administrative and basic clinical tasks, often requiring a postsecondary non-degree award or an associate’s degree. These professionals assess patient status, administer medications, and coordinate care plans.
Rehabilitation and Therapy Roles
This sub-pathway helps patients recover, regain function, and adapt to physical or cognitive changes. Physical therapists design exercise programs to restore movement and manage pain, generally requiring a Doctor of Physical Therapy (DPT) degree. Occupational therapists help patients maintain skills needed for daily living and working, usually requiring a master’s degree. Speech-language pathologists assess and treat speech, language, and swallowing disorders, requiring a master’s degree in the field.
Emergency and Pre-Hospital Care Roles
Emergency services professionals provide immediate, life-saving care in pre-hospital settings or emergency departments. Emergency medical technicians (EMTs) and paramedics respond to medical crises, providing assessment, stabilization, and transport. EMTs typically complete postsecondary non-degree training. Paramedics require more advanced training, often an associate’s degree, to perform procedures like administering medications and advanced airway management. These roles demand quick thinking and technical skill.
Diagnostic Services Pathway
The Diagnostic Services Pathway involves professionals who use technology and scientific analysis to determine the presence, absence, or extent of a disease or injury at a specific moment. These roles are focused on precision testing and evaluation, creating the data picture that informs the treatment decisions made by therapeutic professionals. The work requires technical accuracy and attention to detail, as errors can significantly impact patient outcomes.
Diagnostic Roles
Radiologic technologists operate imaging equipment (X-ray, CT, MRI) to generate diagnostic images. Most require an associate’s or bachelor’s degree in radiography, plus licensure or certification. Clinical laboratory technologists analyze biological specimens like blood, tissue, and other fluids to detect abnormalities, playing a role in over 70% of medical decisions. A bachelor’s degree is generally required. Cardiovascular technicians specialize in procedures like electrocardiograms (EKGs) and heart ultrasound imaging, typically obtaining an associate’s degree or certificate. Phlebotomists collect blood samples and usually require a postsecondary certificate program. All diagnostic professionals must accurately document and report findings, ensuring the therapeutic team has reliable information.
Health Informatics Pathway
The Health Informatics Pathway manages the data, information, and technology required to operate modern healthcare systems. These roles are largely non-clinical, focusing on the administrative, financial, and technological infrastructure that supports patient care. Professionals ensure patient records are accurate, secure, and accessible while maintaining regulatory compliance, such as the Health Insurance Portability and Accountability Act (HIPAA).
Health Informatics Roles
Medical coders and billers translate patient care services into standardized codes for financial purposes, requiring specialized training or an associate’s degree. Health information managers (HIM) oversee the data system and the integrity of electronic health records (EHRs); a bachelor’s or master’s degree is common. Healthcare IT specialists design and maintain computer networks and software. Hospital administrators manage the overall business operations, budgeting, and strategic planning, often requiring a master’s degree in healthcare administration.
Support Services Pathway
The Support Services Pathway includes jobs dedicated to creating and maintaining a safe, sterile, and functional environment within a healthcare facility. These roles are often performed behind the scenes, yet they are foundational to the quality and safety of patient care. A primary responsibility is ensuring infection control and environmental safety.
Support Services Roles
Support Services roles include:
Central sterile processing technicians, who decontaminate, sterilize, and maintain surgical instruments.
Biomedical equipment technicians (BMETs), who maintain and repair complex medical devices, often requiring an associate’s degree.
Dietary and food service workers, who manage patient nutrition and deliver meals tailored to medical requirements.
Facility maintenance managers, who oversee the physical plant (HVAC, electrical systems) necessary for patient comfort and equipment operation.
Biotechnology Research and Development Pathway
The Biotechnology Research and Development Pathway focuses on the scientific advancement of medicine, involving innovation, discovery, and the creation of new tools and treatments. Professionals work primarily in laboratories, research institutions, or manufacturing plants, with little direct patient contact. Their efforts lead to new pharmaceuticals, advanced medical devices, and improved diagnostic tests.
Biotechnology Roles
Roles in this pathway include:
Research scientists, who design experiments to understand diseases and develop new drugs, often requiring a Ph.D.
Bioengineers, who apply engineering principles to design artificial organs and advanced imaging systems, typically requiring a bachelor’s or master’s degree.
Toxicologists, who study the harmful effects of agents on living organisms to ensure product safety.
Quality assurance specialists, who monitor manufacturing processes to ensure drugs and devices meet strict regulatory standards.
This pathway prioritizes scientific methodology and innovation.
Getting Started in Your Chosen Pathway
Exploring a health science pathway requires intentional steps to gain experience and formal training. Potential entrants should seek internships, job shadowing, or volunteer opportunities to gain firsthand insight into the daily realities of the field. Pursuing industry-recognized certifications, even for entry-level roles like Certified Nursing Assistant (CNA) or Phlebotomy Technician, provides a significant advantage for initial employment. Formal education is necessary in every pathway, ranging from postsecondary certificates to advanced degrees. Continuing education and professional development are expected throughout a health science career to ensure skills remain current with evolving medical technology and best practices.

