ICD-10-CM Practice Test 2026: Free Coding
Questions & Expert Answers
Description:
Master the complexities of ICD-10-CM coding with our targeted 2026 practice exam. This free
resource is meticulously crafted for aspiring medical coders, billing students, and healthcare
administration professionals preparing for certification (CPC®, CCS®) or course finals. Our
practice test features real-world coding scenarios that reinforce critical concepts,
including principal diagnosis sequencing, neoplasm table navigation, combination coding,
and laterality rules.
Searching for "ICD-10-CM practice questions with answers," "medical coding final exam prep,"
or "how to code neoplasms and poisonings"? We've built this guide around the exact topics you
need to know. Each question includes a detailed explanation that breaks down the official
coding guidelines, helping you not just memorize, but truly understand the logic behind each
correct code.
Stop just reading the guidelines—start applying them.
Download your free practice test now and code with confidence!
, ICD-10-CM Coding Practice Exam & Study Guide 2026
1. In ICD-10-CM, how is the principal diagnosis sequenced in the coding process?
a. Last
b. First
c. Second
d. Any position
Answer: b. First
Explanation: The principal diagnosis is defined as the condition established after study to be
chiefly responsible for the patient's admission or encounter. Per ICD-10-CM official guidelines,
this is always listed first in the sequence of codes.
2. When referencing the Neoplasm Table in the Alphabetic Index, what does the term "primary"
specifically refer to?
a. The original site of the malignancy
b. The secondary site of a metastasis
c. A benign tumor
d. A tumor of uncertain behavior
Answer: a. The original site of the malignancy
Explanation: In the context of the Neoplasm Table, "primary" identifies the original, or initial,
site where a malignant tumor developed, as opposed to a secondary site where it may have
spread.
3. What is the maximum number of characters a valid ICD-10-CM code can contain?
a. 5
b. 6
c. 7
d. 8
Answer: c. 7
Questions & Expert Answers
Description:
Master the complexities of ICD-10-CM coding with our targeted 2026 practice exam. This free
resource is meticulously crafted for aspiring medical coders, billing students, and healthcare
administration professionals preparing for certification (CPC®, CCS®) or course finals. Our
practice test features real-world coding scenarios that reinforce critical concepts,
including principal diagnosis sequencing, neoplasm table navigation, combination coding,
and laterality rules.
Searching for "ICD-10-CM practice questions with answers," "medical coding final exam prep,"
or "how to code neoplasms and poisonings"? We've built this guide around the exact topics you
need to know. Each question includes a detailed explanation that breaks down the official
coding guidelines, helping you not just memorize, but truly understand the logic behind each
correct code.
Stop just reading the guidelines—start applying them.
Download your free practice test now and code with confidence!
, ICD-10-CM Coding Practice Exam & Study Guide 2026
1. In ICD-10-CM, how is the principal diagnosis sequenced in the coding process?
a. Last
b. First
c. Second
d. Any position
Answer: b. First
Explanation: The principal diagnosis is defined as the condition established after study to be
chiefly responsible for the patient's admission or encounter. Per ICD-10-CM official guidelines,
this is always listed first in the sequence of codes.
2. When referencing the Neoplasm Table in the Alphabetic Index, what does the term "primary"
specifically refer to?
a. The original site of the malignancy
b. The secondary site of a metastasis
c. A benign tumor
d. A tumor of uncertain behavior
Answer: a. The original site of the malignancy
Explanation: In the context of the Neoplasm Table, "primary" identifies the original, or initial,
site where a malignant tumor developed, as opposed to a secondary site where it may have
spread.
3. What is the maximum number of characters a valid ICD-10-CM code can contain?
a. 5
b. 6
c. 7
d. 8
Answer: c. 7
