CORRECT ANSWERS (VERIFIED ANSWERS) PLUS RATIONALES 2026 Q&A.
Q1. What does ICD-10-CM stand for?
A) International Classification of Diseases, 10th Revision, Clinical Modification
B) International Coding Diagnosis, 10th Edition, Clinical Manual
C) Internal Classification of Diseases, 10th Revision, Clinical Modification
D) International Classification of Diagnosis, 10th Revision, Clinical Management
Correct Answer: A
Rationale: ICD-10-CM is the clinical modification used for diagnosing and coding in the United States.
Q2. What is the purpose of the CPT code set?
A) Report medical procedures and services
B) Report diagnoses
C) Report drugs
D) Report supplies
Correct Answer: A
Rationale: CPT (Current Procedural Terminology) codes report medical procedures and services.
Q3. Which organization maintains the CPT code set?
A) AMA
B) CMS
C) WHO
D) CDC
Correct Answer: A
Rationale: The American Medical Association (AMA) maintains CPT.
Q4. What does HCPCS stand for?
,A) Healthcare Common Procedure Coding System
B) Health Care Professional Coding System
C) Hospital Common Procedure Coding System
D) Healthcare Coding Procedure System
Correct Answer: A
Rationale: HCPCS is the Healthcare Common Procedure Coding System.
Q5. Which HCPCS level is used for drugs and supplies?
A) Level II
B) Level I
C) Level III
D) Level IV
Correct Answer: A
Rationale: HCPCS Level II codes are used for drugs, supplies, and equipment.
Q6. What is the purpose of a modifier?
A) Provide additional information about a service
B) Change the code
C) Replace the code
D) Delete the code
Correct Answer: A
Rationale: Modifiers provide additional information without changing the code definition.
Q7. Which modifier indicates a service was performed on the left side?
A) LT
B) RT
C) E1
D) 50
, Correct Answer: A
Rationale: LT indicates left side.
Q8. Which modifier indicates a service was performed bilaterally?
A) 50
B) LT
C) RT
D) 51
Correct Answer: A
Rationale: Modifier 50 indicates bilateral procedure.
Q9. What is the purpose of the National Correct Coding Initiative (NCCI)?
A) Prevent improper coding and billing
B) Increase payments
C) Reduce coding
D) Eliminate modifiers
Correct Answer: A
Rationale: NCCI edits prevent improper coding and billing of services.
Q10. What is a "bundled" service?
A) Services included in another service
B) Separate services
C) Denied services
D) Paid services
Correct Answer: A
Rationale: Bundled services are components of a primary service and are not separately billable.
Q11. What is the purpose of an Advance Beneficiary Notice (ABN)?