AAPC CERTIFIED PROFESSIONAL
CODER (CPC) EXAM PRACTICE 2027
QUESTIONS AND ANSWERS
1. A patient is diagnosed with hypertensive chronic kidney disease, stage 4. How should this
be coded in ICD-10-CM?
A. I10, N18.4
B. I12.9
C. I12.9, N18.4
D. I15.1, N18.4
Answer: C
Conceptual Explanation: ICD-10-CM guideline I.C.9.a.2 states there is a causal relationship
between hypertension and chronic kidney disease. I12.9 is used for stage 1-4, followed by
the specific N18 code for the stage.
2. A patient presents for a simple repair of a 2.5 cm laceration of the arm and an intermediate
repair of a 3.0 cm laceration of the scalp. How are these coded?
A. 12001, 12032
,B. 12032, 12001
C. 12032, 12002
D. 13121, 12001
Answer: B
Conceptual Explanation: Intermediate repairs are sequenced first. 12032 is for scalp 2.6-
7.5 cm. 12001 is for arm simple 2.5 cm or less. Simple repairs of different sites are only
added if same classification.
3. Which modifier is used to indicate a significant, separately identifiable E/M service by the
same physician on the same day as a procedure?
A. 24
B. 57
C. 25
D. 59
Answer: C
Conceptual Explanation: Modifier 25 is used for E/M services that are distinct and
separate from a procedure performed on the same day.
4. What is the correct ICD-10-CM code for a patient seen for a screening mammogram who
has a family history of breast cancer?
A. Z12.31, Z80.3
, B. Z80.3, Z12.31
C. Z12.39, Z85.3
D. N63, Z80.3
Answer: A
Conceptual Explanation: For screening, the screening code (Z12.31) is primary, followed
by codes for risk factors such as family history (Z80.3).
5. In CPT, Mohs Micrographic Surgery involves the surgeon acting in what dual role?
A. Surgeon and Radiologist
B. Surgeon and Pathologist
C. Surgeon and Anesthesiologist
D. Surgeon and Oncologist
Answer: B
Conceptual Explanation: Mohs surgery (17311-17315) requires the surgeon to both
excise the tissue and perform the microscopic examination (acting as pathologist).
6. A 45-year-old patient undergoes an initial inguinal hernia repair for a reducible hernia.
What is the CPT code?
A. 49507
B. 49505
CODER (CPC) EXAM PRACTICE 2027
QUESTIONS AND ANSWERS
1. A patient is diagnosed with hypertensive chronic kidney disease, stage 4. How should this
be coded in ICD-10-CM?
A. I10, N18.4
B. I12.9
C. I12.9, N18.4
D. I15.1, N18.4
Answer: C
Conceptual Explanation: ICD-10-CM guideline I.C.9.a.2 states there is a causal relationship
between hypertension and chronic kidney disease. I12.9 is used for stage 1-4, followed by
the specific N18 code for the stage.
2. A patient presents for a simple repair of a 2.5 cm laceration of the arm and an intermediate
repair of a 3.0 cm laceration of the scalp. How are these coded?
A. 12001, 12032
,B. 12032, 12001
C. 12032, 12002
D. 13121, 12001
Answer: B
Conceptual Explanation: Intermediate repairs are sequenced first. 12032 is for scalp 2.6-
7.5 cm. 12001 is for arm simple 2.5 cm or less. Simple repairs of different sites are only
added if same classification.
3. Which modifier is used to indicate a significant, separately identifiable E/M service by the
same physician on the same day as a procedure?
A. 24
B. 57
C. 25
D. 59
Answer: C
Conceptual Explanation: Modifier 25 is used for E/M services that are distinct and
separate from a procedure performed on the same day.
4. What is the correct ICD-10-CM code for a patient seen for a screening mammogram who
has a family history of breast cancer?
A. Z12.31, Z80.3
, B. Z80.3, Z12.31
C. Z12.39, Z85.3
D. N63, Z80.3
Answer: A
Conceptual Explanation: For screening, the screening code (Z12.31) is primary, followed
by codes for risk factors such as family history (Z80.3).
5. In CPT, Mohs Micrographic Surgery involves the surgeon acting in what dual role?
A. Surgeon and Radiologist
B. Surgeon and Pathologist
C. Surgeon and Anesthesiologist
D. Surgeon and Oncologist
Answer: B
Conceptual Explanation: Mohs surgery (17311-17315) requires the surgeon to both
excise the tissue and perform the microscopic examination (acting as pathologist).
6. A 45-year-old patient undergoes an initial inguinal hernia repair for a reducible hernia.
What is the CPT code?
A. 49507
B. 49505
