Z40 ICD-10-CM Code: Encounter for prophylactic surgery
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
Z40Encounter for prophylactic surgery
ICD-10-CM diagnosis code · United States clinical modification
Where Z40 sits
- 1
Chapter 21
Factors influencing health status and contact with health services (Z00-Z99)
- 2
Section
Encounters for other specific health care (Z40-Z53)
- 3
Category Z40
Encounter for prophylactic surgery
- 4
Code Z40
Encounter for prophylactic surgery
Codes under Z40
Z40 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for Z40.
Code first
No “code first” instruction is listed for Z40.
Use additional code
No “use additional code” instruction is listed for Z40.
Excludes1
Conditions that should not be reported together with this code.
- organ donations (Z52.-)
- therapeutic organ removal-code to condition
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for Z40.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code Z40 mean?
Z40 is the FY 2027 U.S. ICD-10-CM code for “Encounter for prophylactic surgery.”
Is Z40 a billable or specific ICD-10-CM code?
No. Z40 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is Z40 located in ICD-10-CM?
Z40 is listed in Chapter 21, Factors influencing health status and contact with health services (Z00-Z99), within Encounters for other specific health care (Z40-Z53) (Z40–Z53), under category Z40, Encounter for prophylactic surgery.
What coding notes are listed for Z40?
No inclusion terms are listed for Z40 in this reference record. No code-first instruction is listed. Excludes1 notes: organ donations (Z52.-); therapeutic organ removal-code to condition. No Excludes2 note is listed.