Chapter 21: Factors Influencing Health Status (Z00–Z99)

Question 1

Can Z codes be first-listed or secondary?

Answer 1

Yes, depending on the visit reason.

Question 2

What code is used for a normal pregnancy?

Answer 2

Z34

Question 3

What code shows vaccination given?

Answer 3

Z23 (must pair with procedure code)

Question 4

What code series reflects social determinants of health (like homelessness)?

Answer 4

Z55–Z65

Question 5

What’s Z79 used for?

Answer 5

Long-term drug therapy

Question 6

When should Z08 or Z09 be used?

Answer 6

For follow-up after completed treatment of cancer (Z08) or non-cancer (Z09)