ICD 10 Z Codes and External Causes

Question 1

Z codes in ICD-10-CM (Z00-Z99) are primarily used to:

Accepted Answer

Identify factors influencing health status and contact with health services

Answer

Code acute illnesses and injuries

Answer

Replace diagnosis codes when a condition is uncertain

Answer

Code neoplasms and trauma exclusively

Question 2

Which Z code is assigned for a patient presenting for a routine general adult medical examination with no abnormal findings?

Accepted Answer

Z00.00

Answer

Z00.01

Answer

Z13.89

Answer

Z01.00

Question 3

A patient previously treated for breast cancer (now resolved) presents for follow-up monitoring. Which Z code category applies?

Accepted Answer

Z85 – Personal history of malignant neoplasm

Answer

Z80 – Family history of malignant neoplasm

Answer

Z12 – Encounter for screening for malignant neoplasm

Answer

Z79 – Long-term drug therapy

Question 4

Family history Z codes in ICD-10-CM are found in which code range?

Accepted Answer

Z80-Z84

Answer

Z70-Z76

Answer

Z85-Z87

Answer

Z77-Z79

Question 5

A patient presents specifically to receive a flu vaccination. The correct Z code for this encounter is:

Accepted Answer

Z23

Answer

Z20.828

Answer

Z41.3

Answer

Z30.40

Question 6

Which of the following is an example of a long-term (current) drug therapy status Z code?

Accepted Answer

Z79.01 – Long-term (current) use of anticoagulants

Answer

Z87.891 – Personal history of nicotine dependence

Answer

Z00.00 – General health examination

Answer

Z20.822 – Contact with COVID-19

Question 7

Z codes for contact with and exposure to communicable diseases are found in which ICD-10-CM category?

Accepted Answer

Z20

Answer

Z11

Answer

Z28

Answer

Z15