CMRS Certification

AMBA certified

MMBA has partnered with the American Medical Billing Association (AMBA) to offer members a professional billing certification.


The Certified Medical Reimbursement Specialist (CMRS) allows medical billers, managers, and coders to distinguish themselves and become more competitive in their line of work.

What is CMRS?

CMRS stands for Certified Medical Reimbursement Specialist. The CMRS designation is awarded by the Certifying Board of the American Medical Billing Association (CBAMBA). Although there is no state or federal requirement of a medical billing professional to become certified to practice medical billing, it is AMBA’s goal to provide a professional certification exam that upholds a high ethical standard of knowledge that recognizes the competency of a certified individual.

What subject matter is on the test?

The exam tests you in the following areas:

  • Medical Terminology 
  • Anatomy and Physiology 
  • Information Technology
  • Web and Information Technology
  • ICD-10-CM Coding
  • CPT-4 Coding
  • Clearinghouses
  • CMS-1500
  • Insurance
  • Insurance Carriers
  • Acronyms
  • Compliance
  • Fraud and Abuse
  • Managed Care
  • Case Studies
  • General Information

How is the test taken? Is there a time limit?

The exam is offered online, and you have 45 days to complete it.

How much does the exam cost?

For MMBA members, the fee is $480.00. This fee includes the exam, study guide and an AMBA membership.

For non-MMBA members, the fee is $630.00. This fee includes the exam, study guide, AMBA membership, and MMBA membership.

Have more questions?

CMRS FAQ's and Information or contact us at

Link for the CMRS through AMBA and MMBA application is below:  

 CMRS Application Form