Medical coding vs Medical billing: What’s the difference?
- Medical Billing and Coding
-
Authored by
Nancy Ferrante
- Updated August 18, 2026
- 8.2k views
Medical billing and medical coding are both medical professions, but they differ in the work they perform.
Medical coders perform medical coding duties by using their knowledge of medical terminology to assign codes to medical records; these codes identify the type of care provided to a patient.
The code also helps determine how much the insurance company will reimburse the provider for services rendered. Medical billers, on the other hand, track all payments from patients or insurance companies and ensure providers are paid appropriately.
This article discusses the pros and cons of each profession, so prospective medical professionals can decide which is best suited to them!
What is medical billing?
Medical billing is the process of submitting and following up on medical claims with insurance companies to ensure patients’ medical bills are paid.
Medical billers need a strong knowledge of medical terminology to assign codes to medical records; these codes then identify the type of care provided to a patient. The code also helps determine how much the insurance company will pay out for medical care.
Medical billers are also responsible for ensuring that medical records are complete and up to date so that insurance companies know exactly what was done to treat a particular illness or condition for an insured patient.
Billing is usually handled by certified medical billing specialists who have completed rigorous training programs to ensure they have the medical knowledge and coding skills required for their work.
In medical billing, there is a very strict code of confidentiality that must be observed between medical providers and those who process insurance claims. Because medical records contain highly sensitive medical information about an individual’s health care history, it is important for medical billers to maintain confidentiality at all times.
What is medical coding?
Medical coding is the process of assigning diagnostic and procedure codes to medical records. The main goal of medical coding is to ensure that all information in a medical record is accurately and completely coded for reimbursement, research, and statistical purposes.
The codes that are used to determine medical billing procedures for medical claims are determined by the World Health Organization’s (WHO) International Classification of Diseases, Tenth Revision Clinical Modification (ICD-CM). The ICD is updated annually and contains more than 14,000 medical codes.
Coding medical claims involves using medical billing diagnosis, procedure, and supply codes to accurately describe medical services rendered by a medical provider.
It is also used for statistical analysis and validation, so that health care providers can be compensated fairly for their work and charge patients appropriately based on insurance-company-set medical coverage rules.
The medical coding process begins with the medical biller assigning a code to each diagnosis listed on the patient’s medical claim.
Then, the coder reviews all medical procedures and supplies billed on the medical claim and assigns a code to each.
The medical biller must then determine how much of the medical insurance company’s benefits were used to accurately charge patients for co-payments, deductibles, or the full price for medical services rendered during an office visit.
Lastly, when filing medical claims with insurance companies, medical billers must also include a superbill, a document that itemizes the medical services rendered to the patient and the corresponding codes assigned to each service.
What is the difference between medical billing and medical coding?
Medical billing is the process of submitting and following up on insurance claims in order to receive payment for services provided by a healthcare provider.
Medical coding, on the other hand, is the process of translating medical services into specific codes that computers can understand. This code is then used to
Medical billing and medical coding are two important aspects of healthcare administration that work together to ensure patients receive appropriate care and providers are paid for their services.
While medical billing focuses on the patient, medical coding concerns how medical services are billed to insurance companies.
Which one is better suited to me?
Medical billing is best suited for medical assistants who enjoy working with people and want to make a difference.
Medical coding is best suited to more technically minded people who enjoy detailed work requiring precision, accuracy, organizational skills, attention to detail, and patience.
Become a vital part of The Healthcare Cycle
Taken together, medical coding and billing serve as a link among patients, healthcare providers, and insurance companies. As a medical biller or coder, you’ll need to be accurate, detail-oriented, and well organized, as you’ll be a vital part of any healthcare provider’s staff.
As one of the premier Medical Billing and Coding Schools in Las Vegas, Northwest Career College employs established, seasoned instructors to teach you every aspect of medical billing and coding. Our student-focused approach puts you first, and we offer online and on-campus workshops to accommodate your work and family schedule.
We continue to support our students after they graduate, as our experienced Career Services team provides lifetime support and works with you to find medical billing and coding jobs in Las Vegas. Call us today at (702) 403-1592 to learn more about the exciting opportunities that our Medical Billing and Coding School can offer you!
