Certified Coding Specialist (CCS) Practice
Exam Questions And Correct Answers
(Verified Answers) Plus Rationales
2025|2026 Q&A | Instant Download Pdf
1. Which organization maintains the ICD-10-CM coding system?
a. CMS
b. NCHS
c. AMA
d. WHO
ICD-10-CM is maintained by the National Center for Health Statistics
(NCHS), while ICD-10-PCS is maintained by CMS.
2. The CPT code set is maintained and updated annually by which
organization?
a. CMS
b. WHO
c. AMA
d. AHIMA
, The American Medical Association (AMA) maintains and updates the
CPT code set.
3. Which modifier indicates a professional component only?
a. 26
b. TC
c. 26
d. 50
Modifier 26 is used to identify the professional component of a
service, such as the interpretation of an X-ray.
4. In ICD-10-CM, which character represents the etiology or cause in a
seven-character code?
a. 1st
b. 2nd
c. 4th
d. 7th
The second character in ICD-10-CM identifies the etiology or cause of
the disease.
5. Which of the following is a combination code?
a. Diabetes mellitus
b. Type 2 diabetes with diabetic nephropathy
c. Hypertension
d. Asthma
A combination code identifies two diagnoses or a diagnosis with an
, associated manifestation or complication, such as diabetes with
nephropathy.
6. Which of the following is used to classify inpatient hospital
procedures?
a. CPT
b. HCPCS
c. ICD-10-PCS
d. ICD-10-CM
ICD-10-PCS is used for inpatient hospital procedure coding.
7. What does HCPCS Level II codes describe?
a. Physician services
b. Inpatient procedures
c. Supplies, drugs, and non-physician services
d. Laboratory tests
HCPCS Level II codes report non-physician services such as durable
medical equipment, prosthetics, and ambulance services.
8. When two or more procedures are performed at the same operative
session, which modifier is used?
a. 59
b. 50
c. 51
d. 52
Exam Questions And Correct Answers
(Verified Answers) Plus Rationales
2025|2026 Q&A | Instant Download Pdf
1. Which organization maintains the ICD-10-CM coding system?
a. CMS
b. NCHS
c. AMA
d. WHO
ICD-10-CM is maintained by the National Center for Health Statistics
(NCHS), while ICD-10-PCS is maintained by CMS.
2. The CPT code set is maintained and updated annually by which
organization?
a. CMS
b. WHO
c. AMA
d. AHIMA
, The American Medical Association (AMA) maintains and updates the
CPT code set.
3. Which modifier indicates a professional component only?
a. 26
b. TC
c. 26
d. 50
Modifier 26 is used to identify the professional component of a
service, such as the interpretation of an X-ray.
4. In ICD-10-CM, which character represents the etiology or cause in a
seven-character code?
a. 1st
b. 2nd
c. 4th
d. 7th
The second character in ICD-10-CM identifies the etiology or cause of
the disease.
5. Which of the following is a combination code?
a. Diabetes mellitus
b. Type 2 diabetes with diabetic nephropathy
c. Hypertension
d. Asthma
A combination code identifies two diagnoses or a diagnosis with an
, associated manifestation or complication, such as diabetes with
nephropathy.
6. Which of the following is used to classify inpatient hospital
procedures?
a. CPT
b. HCPCS
c. ICD-10-PCS
d. ICD-10-CM
ICD-10-PCS is used for inpatient hospital procedure coding.
7. What does HCPCS Level II codes describe?
a. Physician services
b. Inpatient procedures
c. Supplies, drugs, and non-physician services
d. Laboratory tests
HCPCS Level II codes report non-physician services such as durable
medical equipment, prosthetics, and ambulance services.
8. When two or more procedures are performed at the same operative
session, which modifier is used?
a. 59
b. 50
c. 51
d. 52
