Medical Coding and Billing Certification
(MCBC) Study Guide I| with Questions
Updated 2025|
What must a coder understand in order to determine the correct diagnosis code assignment?
The services medically necessary for diagnostic code linkage
Avoiding the duplication of benefits paid by the primary and secondary insurance is achieved by:
Correctly identifying primary and secondary insurance policies in order to preserve
coordination of benefits
A coder must understand what to determine the correct diagnosis code assignment?
The services medically necessary for diagnostic code linkage.
How is the duplication of benefits between primary and secondary insurance avoided?
By correctly identifying primary and secondary insurance policies in order to preserve
coordination of benefits.
When a combination code is available, what should a coder do?
Use the combination code.
How is a "revised" code indicated in the CPT manual?
By a blue triangle.
1
, When should a coder use an "unlisted" radiology CPT code?
When a particular radiology service provided is not described by a specific CPT code.
What are the major topic headings in the Tabular List of ICD-10-CM known as?
Code blocks.
What type of system is used by most state Medicaid programs to report professional services,
procedures, supplies, and equipment?
Healthcare Common Procedure Coding System (HCPCS).
What is required for a coder to assign the correct CPT code?
The correct documentation of the procedure performed.
When coding a claim for surgery, what is required to be reported along with the procedure code?
The appropriate diagnosis code(s) that supports the necessity of the procedure.
What is the purpose of the ICD-10-CM codes?
To classify and code diagnoses, symptoms, and procedures for medical billing and statistical
purposes.
When should a coder use an E/M code (Evaluation and Management code)?
2
(MCBC) Study Guide I| with Questions
Updated 2025|
What must a coder understand in order to determine the correct diagnosis code assignment?
The services medically necessary for diagnostic code linkage
Avoiding the duplication of benefits paid by the primary and secondary insurance is achieved by:
Correctly identifying primary and secondary insurance policies in order to preserve
coordination of benefits
A coder must understand what to determine the correct diagnosis code assignment?
The services medically necessary for diagnostic code linkage.
How is the duplication of benefits between primary and secondary insurance avoided?
By correctly identifying primary and secondary insurance policies in order to preserve
coordination of benefits.
When a combination code is available, what should a coder do?
Use the combination code.
How is a "revised" code indicated in the CPT manual?
By a blue triangle.
1
, When should a coder use an "unlisted" radiology CPT code?
When a particular radiology service provided is not described by a specific CPT code.
What are the major topic headings in the Tabular List of ICD-10-CM known as?
Code blocks.
What type of system is used by most state Medicaid programs to report professional services,
procedures, supplies, and equipment?
Healthcare Common Procedure Coding System (HCPCS).
What is required for a coder to assign the correct CPT code?
The correct documentation of the procedure performed.
When coding a claim for surgery, what is required to be reported along with the procedure code?
The appropriate diagnosis code(s) that supports the necessity of the procedure.
What is the purpose of the ICD-10-CM codes?
To classify and code diagnoses, symptoms, and procedures for medical billing and statistical
purposes.
When should a coder use an E/M code (Evaluation and Management code)?
2
