Working in radiology typically means one of two paths: becoming a radiologic technologist, which takes about two years of schooling, or becoming a radiologist, which requires medical school and residency training over eight to twelve years. Most people searching for how to break into this field are looking at the technologist route, which offers a faster entry point, strong pay, and room to specialize over time.
Two Distinct Careers in Radiology
The most important distinction to understand upfront is that radiologic technologists and radiologists do very different jobs. A radiologic technologist (often called a “rad tech”) operates imaging equipment like X-ray machines, CT scanners, and MRI systems. They work directly with patients: taking medical histories, positioning the body correctly, shielding areas that don’t need to be imaged, and maintaining detailed records. They’re hands-on, technical professionals.
A radiologist is a physician. They interpret the images that technologists produce, diagnose conditions, consult with other doctors on which imaging exams to order, and help coordinate treatment plans. They also direct and oversee technologists. The education, time commitment, and daily work look completely different between these two roles.
Becoming a Radiologic Technologist
This is the most common entry point into radiology. You’ll need an associate degree from a program accredited by the Joint Review Committee on Education in Radiologic Technology (JRCERT). These programs typically run about 24 months and combine classroom instruction with clinical training, where you’ll learn to operate equipment and work with real patients in hospital or clinic settings. A typical program requires around 84 credit hours.
After graduating, you need to earn certification from the American Registry of Radiologic Technologists (ARRT). The primary certification pathway requires three things: an associate degree or higher from an ARRT-approved program, passing the ARRT certification exam, and meeting their ethics requirements, which involve demonstrating good moral character. Through this pathway, you can earn credentials in radiography, MRI, nuclear medicine technology, radiation therapy, sonography, or vascular sonography.
Beyond national certification, more than 75% of states require a separate state license before you can practice. Some states accept your ARRT exam scores or credentials as part of their licensing process, but others have additional requirements. You’ll need to check with your specific state’s licensing board, because earning an ARRT credential doesn’t automatically make you eligible to work everywhere.
Some states also offer limited-scope permits for specific types of imaging work, such as bone densitometry or fluoroscopy. The ARRT administers exams for these narrower roles, which can be a way into the field for people looking at a more focused scope of practice.
Becoming a Radiologist
If your goal is to read and interpret medical images, diagnose patients, and practice as a physician, you’re looking at a much longer educational commitment. The typical path includes four years of undergraduate education, four years of medical school to earn an MD or DO, and then residency training in radiology.
A standard diagnostic radiology residency lasts five years: one year of general clinical training (internship) followed by four years of radiology-specific training. If you want to subspecialize further, such as in interventional radiology, you’d add one to two more years. An integrated interventional radiology residency runs six years total after medical school, while an independent IR residency taken after completing a diagnostic radiology residency adds another one to two years. All told, the path from college freshman to practicing radiologist takes a minimum of twelve years, and often longer with fellowships.
Pay and Job Outlook for Technologists
Radiologic technologists earned a median annual wage of $77,660 as of May 2024, according to the Bureau of Labor Statistics. Employment is projected to grow about 5% from 2024 to 2034, which is faster than the average for all occupations. Demand is driven by an aging population that needs more diagnostic imaging and by advances in imaging technology that expand what these tools can detect.
Radiologists, as physicians, earn significantly more, but the comparison isn’t straightforward given the additional decade of education and the substantial debt that comes with medical school.
Specializing After You Start
One of the advantages of starting as a radiologic technologist is that you can add specializations over time without going back to school for a full degree. The ARRT offers postprimary certifications that let you credential in specific imaging modalities after you’ve earned your initial certification. The available specializations include computed tomography (CT), magnetic resonance imaging (MRI), mammography, cardiac interventional radiography, and vascular interventional radiography.
To earn a postprimary credential, you need to already hold an ARRT credential in a supporting discipline, complete 16 hours of structured education activities, perform and document a specific number of clinical procedures in that specialty, and pass the ARRT exam for that discipline. These additional credentials can open doors to higher-paying positions and more specialized work environments. Many technologists start with general radiography and then add CT or MRI certification within their first few years.
Keeping Your Credentials Current
Radiology isn’t a field where you earn a credential and forget about it. ARRT requires most registered technologists to complete 24 approved continuing education credits every two years (called a biennium). If you hold a sonography credential, at least 16 of those 24 credits must be sonography-specific. Registered radiology assistants have a higher bar: 50 credits per biennium.
These requirements exist because imaging technology evolves rapidly. New scanner capabilities, updated safety protocols, and changing clinical guidelines mean that what you learned in school will need regular updating throughout your career. Most employers build time for continuing education into their professional development expectations, and many CE activities can be completed online.
Choosing the Right Path
Your decision comes down to how much time and money you’re willing to invest, and what kind of work appeals to you day to day. If you like hands-on technical work, direct patient interaction, and want to start earning a solid income within two to three years, the radiologic technologist path makes sense. You can always specialize later to keep the work challenging and increase your earning potential.
If diagnosing disease, consulting with other physicians, and practicing medicine is what drives you, the radiologist path is worth the longer commitment. Some people also start as technologists and later decide to pursue medical school, bringing valuable practical imaging experience into their physician training. There’s no single right path into radiology, just the one that fits your goals and timeline.