Code Specialist Module - CS National Certification Exam
1. Which organization maintains and publishes the ICD-10-CM code set in the
United States?
A) American Medical Association (AMA)
B) Centers for Medicare & Medicaid Services (CMS)
C) Centers for Disease Control and Prevention (CDC)
D) National Center for Health Statistics (NCHS)
ANSWER: D
EXPLANATION: The NCHS, part of the CDC, maintains ICD-10-CM for morbidity
coding in the U.S.
2. What is the primary purpose of the Alphabetic Index in ICD-10-CM?
A) To provide complete coding instructions
B) To list all codes in numerical order
C) To locate codes for diseases, injuries, and symptoms
D) To determine medical necessity
ANSWER: C
EXPLANATION: The Alphabetic Index helps locate terms and corresponding codes;
final code selection must be verified in the Tabular List.
3. A coder may assign a diagnosis code as "probable," "suspected," "likely," or
"rule out" when:
A) The physician documents these terms
B) Never - only code confirmed diagnoses
C) For outpatient encounters only
D) When the coder believes it's appropriate
ANSWER: B
EXPLANATION: ICD-10-CM Official Guidelines prohibit coding uncertain diagnoses
in any setting except for inpatient admissions.
4. Which ICD-10-CM chapter contains codes for factors influencing health status
and contact with health services?
A) Chapter 1
B) Chapter 15
C) Chapter 18
D) Chapter 21
ANSWER: D
