HI 221 Health Sciences for ICD-10 FINAL READINESS GUIDE Q & S 2025/2026

1. Which of the following is the primary purpose of the
ICD-10 coding system?
 - A) To facilitate billing processes
 - B) To standardize the classification of diseases
 - C) To improve hospital management
 - D) To support prescription drug monitoring
 - Correct Answer: B
 - Rationale: The International Classification of Diseases
(ICD) is predominantly used for the standardization of
disease classification globally, which aids in public health,
epidemiology, and health management.
2. In ICD-10, the code "E11" is used for which condition?
 - A) Hypertension
 - B) Type 2 Diabetes Mellitus
 - C) Hypothyroidism
 - D) Chronic Kidney Disease
 - Correct Answer: B
 - Rationale: E11 specifically denotes Type 2 Diabetes
Mellitus in the ICD-10 coding system.
3. If a patient is diagnosed with a stroke and the primary
diagnosis is unspecified, which of the following codes
applies?
 - A) I63.9
 - B) I61
 - C) I64
 - D) I69
 - Correct Answer: A
 - Rationale: I63.9 specifies an unspecified cerebral
infarction, making it the appropriate code for a stroke when
the specifics are not noted.