11. In the code “S52.521A,” what does the letter “A” signify?
Final encounter
Sequela
Subsequent encounter
Initial encounter
12. True or False: The ICD-10-CM Tabular List is arranged by chapters based on body systems or conditions.
13. Which of the following codes would most likely represent a diagnosis of essential hypertension?
I10
R05
E66.9
J45.909
14. Identify the correct breakdown of this ICD-10-CM code: G44.1 – Vascular headache, not elsewhere classified.
G44: Condition; .1: Subtype
G: General category; 44.1: Site and cause
G44.1: Procedure
None of the above
15. A patient presents with Type 2 diabetes and diabetic nephropathy. Which code applies?
E11.9
E11.21
N18.9
R60.9
16. Match the code type with its function:
Placeholder ‘X’ — i) Separates codes for insurance purposes
7th character — ii) Indicates visit type (initial, subsequent)
Combination code — iii) Links multiple conditions in one code
(Choose the correct match: a–i, b–ii, c–iii)
17. True or False: Z codes are used only for infectious diseases.
18. What is the chapter range for mental and behavioral disorders in ICD-10-CM?
Chapter 1 (A00–B99)
Chapter 5 (F01–F99)
Chapter 7 (H00–H59)
Chapter 19 (S00–T88)
19. Which of the following represents a Z code used for health encounter reasons other than illness?
Z00.00 – Encounter for general adult medical examination
C34.9 – Malignant neoplasm of lung
E66.3 – Overweight
J11.1 – Influenza
20. When is it appropriate to use a sequela code in ICD-10-CM?
For acute conditions only
During ongoing treatment
To report late effects of a previous condition
Only for outpatient visits
