Z40
Non-billableEncounter for prophylactic surgery
Z40 is the ICD-10-CM code for Encounter for prophylactic surgery. It is a non-billable category code — use a more specific child code such as Z40.0 for billing.
- Status
- Header (non-billable)
- Chapter
- Z00-Z99
- Subcodes
- 3
- Edition
- FY2026
Z00-Z99 Factors influencing health status and contact with health services
Excludes1 — not coded here
- •organ donations (Z52.-)
- •therapeutic organ removal-code to condition
Frequently asked questions
- What is ICD-10 code Z40?
- Z40 is the ICD-10-CM code for "Encounter for prophylactic surgery". It falls under Z00-Z99 Factors influencing health status and contact with health services.
- Is Z40 a billable code?
- No — Z40 is a non-billable header code. Use a more specific child code (such as Z40.0) for billing.
- What is excluded from Z40?
- Excludes1 (not coded here): organ donations (Z52.-); therapeutic organ removal-code to condition.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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