CMAS Cheat Sheet 2026

The 30 highest-yield CMAS facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What does 'denial' mean in medical billing? → Claim refusal
2. A medical assistant accidentally sends a patient's lab results to the wrong patient's portal. What type of incident has occurred? → A breach of unsecured PHI
3. What is the role of a medical administrative specialist in patient management? → Manage office and patient operations
4. Which term describes a measure of the consistency of a research instrument across repeated measurements? → Reliability
5. An effective medical administrative specialist demonstrates time management by: → Triaging tasks by urgency and importance to maximize productivity
6. Which combining form refers to the kidney? → Nephr/o
7. What is the benefit of standardized digital reporting in Certified Medical Administrative Specialist practice? → It ensures consistency, enables comparison, and facilitates compliance
8. A provider writes off the difference between their billed charge and the payer's allowed amount. This is called a: → Contractual adjustment
9. When a medical office performs a bank reconciliation, what is the primary goal? → To ensure the practice's accounting records match the bank statement balance
10. What information is contained in Box 21 of the CMS-1500 claim form? → Diagnosis codes (ICD-10-CM)
11. What are potential consequences of regulatory non-compliance for Certified Medical Administrative Specialist professionals? → Fines, license revocation, legal liability, and reputational damage
12. The suffix '-algia' means: → Pain
13. What is the importance of data security in CMAS digital applications? → Protecting sensitive information from unauthorized access and breaches is essential
14. Which of the following best defines 'scope of practice' for a medical administrative specialist? → The administrative and clerical duties the specialist is trained and authorized to perform
15. Which of the following best describes 'fraud' in the healthcare billing context? → Intentional misrepresentation to obtain unauthorized payment
16. A signed authorization for release of records must include all of the following EXCEPT: → the patient's insurance policy number
17. Which element is NOT required to prove medical negligence in a malpractice claim? → Proof of intentional harm by the provider
18. When communicating with an elderly patient who has mild cognitive impairment, which strategy BEST supports understanding? → Speak slowly using short sentences, allow extra response time, and use written summaries
19. What is the primary value of case analysis in Certified Medical Administrative Specialist professional development? → Developing critical thinking by applying theory to realistic scenarios
20. What is the 'birthday rule' used to determine in insurance? → Which parent's plan is primary for a child covered under both parents' policies
21. Which statistical measure describes the average of a data set? → Mean
22. When a patient no-shows for a scheduled appointment, what is the best practice for the medical office? → Document the no-show in the patient's chart and attempt to contact them to reschedule
23. Why is compliance important in healthcare? → Ensures legal adherence
24. Professional liability in a medical office context refers to: → Negligent acts or omissions by staff that cause patient harm
25. What does the term 'days in A/R' measure in a medical practice? → The average number of days it takes to collect payment after a service is rendered
26. What is negligence in healthcare? → Failure to meet care standards
27. What distinguishes risk mitigation from risk avoidance in Certified Medical Administrative Specialist practice? → Mitigation reduces impact or likelihood while avoidance eliminates the activity entirely
28. Which of the following BEST describes scope of practice for a medical administrative specialist? → Administrative duties such as scheduling, billing, and records management
29. What is a formulary in the context of health insurance? → A list of prescription drugs covered by an insurance plan
30. What does 'leukocyte' mean? → White blood cell