25 Best Free Medical Billing Courses Online in 2026
The answer is you’re not imagining things if you have been looking for free medical billing courses and only stumbled upon paywalls disguised as “free trial” options. In most lists you’ll be directed immediately to a sign-up form. This one doesn’t. Here are some lessons which are actually real, no sign up needed; official government references and some paid lessons, just so you can see the difference. All are verified and up to date through August 2026.
Why Learn Medical Billing Online?
Medical billing is the administrative aspect of getting healthcare providers paid. It takes and transforms an occurrence that happened during a patient visit into a claim, submits that claim to an insurance company, and follows up on any payment problems that arise. This is closely related to medical coding as medical coding is responsible for assigning the diagnosis and procedure codes that are standardized and used to build an actual bill. While free resources can be helpful to see what ICD-10 and CPT are like and give a glimpse of the foundation of the subject, more often than not they cannot serve as the path to certification and job title.
How We Selected These Courses
We have searched for material that is either fully free to use or clearly marked as free to preview, and where we could, we’ve been honest about those that are paid for. For instance, FreeMedicalBillingTraining.com offers 10 full lessons, as well as a collection of interactive games for learning.For instance, FreeMedicalBillingTraining.com is a site that offers 10 full lessons for free, without the requirement for an account. CareMedox offers its CM Academy for free, but not all the levels are live at this time. AAPC also states that it offers free-introductory lessons to those who are interested in the field.
Note: Course availability, certificates, badges and paid add-ons are subject to change on these platforms very frequently. Some have no entry or exit fees. Some provide free learning content and then take payment for the exam or a hard copy certificate. Below all the entries are marked as to which is which but always checks on the platform before investing their time in it.
1. Free Medical Billing & Coding Introductory Course
- Platform: FreeMedicalBillingTraining.com
- Level: Beginner.
- Duration/Format: 10 lessons / about 68 minutes video.
Constructed from authentic training materials from an existing and active billing service. First, it includes everything from check-in to check-out and then to payment, without needing to sign up first. And it even has a 170+ term glossary.
2. CM Academy, Medical Billing Foundations
- Platform: CareMedox
- Level: Beginner.
- Duration/Format: Self-paced.
This module is suitable for students who are new to learning C#. It is also suitable for students who have experience with learning other languages like Java, Python, or C++ but are new to C#.
The standard of CareMedox’s free academy when it is in life. Guides new learners through billing terminology, the healthcare system, insurance basics, HIPAA, and the basic billing process.
3. Medical Billing and Reimbursement Processes
- Platform: LearnTube
- Level: Beginner
- Duration/Format: About 1 hour
This free course covers the basic medical billing cycle, including healthcare insurance, claims processing, coding systems and reimbursement. It is a practical starting point for learners who want to understand how billing information moves from a patient record through the claims and payment process.
4. Revenue Cycle, Billing, and Coding
- Platform: Johns Hopkins University / Coursera
- Level: Beginner.
- Duration/Format: About 6 hours
This course introduces the main stages of the healthcare revenue cycle, including patient registration, insurance policies, medical billing, coding, claims processing and denial management. It gives beginners a broader view of how billing and coding work together within a healthcare organization.
5. Intro to Medical Billing
- Platform: AAPC
- Level: Beginner.
- Duration/Format: Self-paced
A free video series from one of the field’s most renowned certifying bodies to get you started in billing and the concepts you would use later.
6. Intro to Medical Coding
- Platform: AAPC
- Level: Beginner
- Duration/Format: Self-paced
video series AAPC’s free coding introduction course. Billing and coding overlap so much that this makes an excellent wrap up to lesson five.
7. Medical Billing and Coding Essentials
- Platform: Coursera / MedCerts
- Level: Beginner
- Duration/Format: About 8 hours
Time covers revenue cycle, insurance terms, confidentiality and billing regulations. Coursera currently states this is offered for enrollment but not for free — consult financial aid options before assuming it’s free.
8. Medical Billing: Code and Claim Cleanly
- Platform: Coursera
- Level: Beginner
- Duration/Format: About 3 hours
The course is short and focused on how to take codes and make clean claims that are paid. Good to be used in addition to a main path.
9. Medical Billing & Coding Course Directory
- Platform: Class Central
- Level: Beginner–Advanced
- Duration/Format: Varies
An aggregator that brings together billing courses from multiple providers and filters by free, level, and length. Can be used as a comparison for shopping rather than a course.
10. Medical Coding Course Directory
- Platform: Class Central
- Level: Beginner–Advanced
- Duration/Format: Varies
The coding side of the companion directory, with ICD-10 course-specific listings.
11. Medical Coding (CPC) Foundations
- Platform: Great Learning Academy
- Level: Beginner
- Duration/Format:About 3.75 hours
A free introductory course covering medical terminology, anatomy, ICD-10-CM, CPT and HCPCS Level II coding. It also introduces HIPAA and compliance concepts and explains how medical coding supports the healthcare revenue cycle and insurance claims.
12. Anatomy & Physiology 2e
- Platform: OpenStax
- Level: Beginner
- Duration/Format: Self-paced
Anatomy & Physiology 2e Open Textbook. billers and coders must read the clinical documentation; this serves to complete the anatomy background that enables that to happen.
13. Biology 2e
- Platform: OpenStax
- Level: Beginner
- Duration/Format: Self-paced
Biology 2e OpenStax is another free open-source textbook on cells, genetics, and body systems available. A good start for those entering the healthcare administration field with no prior experience.
14. Medical Terminology Resources
- Platform: MedlinePlus
- Level: Beginner–Intermediate
- Duration/Format: Self-paced
Free, plain-language health information to help you become familiar with clinical terms before they appear in a claim.
15. MedlinePlus Health Topics
- Platform: U.S. National Library of Medicine
- Level: Beginner
- Duration/Format: Self-paced
MedlinePlus Health Topics U.S. National Library of Medicine | Beginner | Self-paced A wider free reference on conditions, tests, treatments and medicines, for understanding what’s actually being billed.
16. ICD-10-CM Official Guidelines
- Platform: CDC / CMS
- Level: Intermediate
- Duration/Format: Reference
The official codebook for conventions of ICD-10-CM diagnosis coding in the United States. Not a course, but necessary after you become familiar with the basics.
17. ICD-10-CM Browser
- Platform: CDC
- Level: Intermediate
- Duration/Format: Self-paced reference
intermediate level ICD-10-CM browser and reference material.
18. ICD-10-CM Resources
- Platform: CMS
- Level: Intermediate
- Duration/Format: Self-paced
Official code files, guidelines, and supporting material linked to U.S. reimbursement rules that frequently change – bookmark these for quick reference.
19. HCPCS Coding Resources
- Platform: CMS
- Level: Intermediate
- Duration/Format: Self-paced
Official HCPCS Level II Coding Resources for services, supplies and products that are not covered in the CPT codebook.
20. Medicare Claims Processing Manual
- Platform: CMS
- Level: Advanced
- Duration/Format: Reference
Detailed, dense, and not for beginners, but authoritative on how Medicare processes claims.
21. Medicare Learning Network
- Platform: CMS
- Level: Beginner–Advanced
- Duration/Format: Varies
Free educational resources provided by CMS for Medicare billing, coding, claims and compliance for all levels of professionals.
22. Medicare Billing & Coding Resources
- Platform: CMS
- Level: Intermediate
- Duration/Format: Self-paced
Medicare-specific documentation and reimbursement requirements, specifically geared to U.S. billing positions.
23. HIPAA Privacy Rule
- Platform: HHS
- Level: Beginner–Intermediate
- Duration/Format: Self-paced
Official guidance on protected health information and disclosure rules. Billers work with PHI on a regular basis so this is not a book you’ll want to read only if you have the time.
24. HIPAA Security Rule
- Platform: HHS
- Level: Beginner–Intermediate
- Duration/Format: Self-paced
It is applicable to protecting electronic PHI, especially if you’ll be operating within an EHR or practice management system.
25. No Surprises Act Resources
- Platform: CMS
- Level: Intermediate
- Duration/Format: Self-paced
No Surprises Act: Free explanation of the federal protections against unexpected medical bills, and what they mean for billing offices.
