AAPC CPC Certification Exam Study Guide 2026 | Certified
Professional Coder Complete Exam Prep Bundle with ICD-10,
CPT & HCPCS Coding Notes, Practice Questions and Proven
Strategies to Pass the CPC Exam First Try
Question 1
What is the primary purpose of ICD-10-CM?
A) To classify causes of death
B) To code diagnoses in healthcare settings
C) To facilitate billing
D) To provide treatment guidelines
Rationale: ICD-10-CM is primarily used for coding diagnoses and reasons for visits in
healthcare.
Question 2
Which of the following statements regarding the use of "unspecified" codes is true?
A) Unspecified codes should be used whenever possible.
B) Unspecified codes should only be used when the clinician does not provide
specific information.
C) Unspecified codes are more accurate than specific codes.
D) Unspecified codes are not permitted in ICD-10-CM.
Rationale: Unspecified codes should be reserved for situations where a specific diagnosis is not
available.
Question 3
When coding for a condition that has both a manifestation and a etiology, which code
should be listed first?
A) The etiology code
B) The manifestation code
C) Either code can be listed first
D) It does not matter which code is listed first
Rationale: The etiology code should be listed first, followed by the manifestation code to
accurately represent the diagnosis.
, AAPC CPC Certification Exam Study Guide 2026 | Certified
Professional Coder Complete Exam Prep Bundle with ICD-10,
CPT & HCPCS Coding Notes, Practice Questions and Proven
Strategies to Pass the CPC Exam First Try
Question 4
How are codes structured in ICD-10-CM?
A) All codes are four characters long.
B) All codes begin with a letter.
C) Codes can be up to seven characters long, starting with a letter.
D) Codes must end with a number.
Rationale: ICD-10-CM codes can be up to seven characters long and begin with an alphabetic
character.
Question 5
What does the "placeholder" character X indicate in an ICD-10-CM code?
A) It indicates a missing diagnosis.
B) It is used to fill in empty characters in certain codes.
C) It indicates a coded condition.
D) It is a special symbol with no specific meaning.
Rationale: The placeholder character "X" is used to fill empty characters in a code to ensure it
has the correct length.
Question 6
In ICD-10-CM, what is the term for additional codes that provide more detail about a
condition?
A) Essential modifiers
B) Parent codes
C) Add-on codes
D) Priority codes
Rationale: Add-on codes provide additional information about a diagnosis, enhancing the
specificity of the code.
Professional Coder Complete Exam Prep Bundle with ICD-10,
CPT & HCPCS Coding Notes, Practice Questions and Proven
Strategies to Pass the CPC Exam First Try
Question 1
What is the primary purpose of ICD-10-CM?
A) To classify causes of death
B) To code diagnoses in healthcare settings
C) To facilitate billing
D) To provide treatment guidelines
Rationale: ICD-10-CM is primarily used for coding diagnoses and reasons for visits in
healthcare.
Question 2
Which of the following statements regarding the use of "unspecified" codes is true?
A) Unspecified codes should be used whenever possible.
B) Unspecified codes should only be used when the clinician does not provide
specific information.
C) Unspecified codes are more accurate than specific codes.
D) Unspecified codes are not permitted in ICD-10-CM.
Rationale: Unspecified codes should be reserved for situations where a specific diagnosis is not
available.
Question 3
When coding for a condition that has both a manifestation and a etiology, which code
should be listed first?
A) The etiology code
B) The manifestation code
C) Either code can be listed first
D) It does not matter which code is listed first
Rationale: The etiology code should be listed first, followed by the manifestation code to
accurately represent the diagnosis.
, AAPC CPC Certification Exam Study Guide 2026 | Certified
Professional Coder Complete Exam Prep Bundle with ICD-10,
CPT & HCPCS Coding Notes, Practice Questions and Proven
Strategies to Pass the CPC Exam First Try
Question 4
How are codes structured in ICD-10-CM?
A) All codes are four characters long.
B) All codes begin with a letter.
C) Codes can be up to seven characters long, starting with a letter.
D) Codes must end with a number.
Rationale: ICD-10-CM codes can be up to seven characters long and begin with an alphabetic
character.
Question 5
What does the "placeholder" character X indicate in an ICD-10-CM code?
A) It indicates a missing diagnosis.
B) It is used to fill in empty characters in certain codes.
C) It indicates a coded condition.
D) It is a special symbol with no specific meaning.
Rationale: The placeholder character "X" is used to fill empty characters in a code to ensure it
has the correct length.
Question 6
In ICD-10-CM, what is the term for additional codes that provide more detail about a
condition?
A) Essential modifiers
B) Parent codes
C) Add-on codes
D) Priority codes
Rationale: Add-on codes provide additional information about a diagnosis, enhancing the
specificity of the code.
