ICD-10-CM · Chapter 21 · Z00-Z99
Z40 Encounter for prophylactic surgery
Excludes 1 (cannot be coded together)
- organ donations (Z52.-)
- therapeutic organ removal-code to condition
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| Z40..0 | Encounter for prophylactic surgery for risk factors related to malignant neoplasms | No |
| Z40..00 | Encounter for prophylactic removal of unspecified organ | Yes |
| Z40..01 | Encounter for prophylactic removal of breast | Yes |
| Z40..02 | Encounter for prophylactic removal of ovary(s) | Yes |
| Z40..03 | Encounter for prophylactic removal of fallopian tube(s) | Yes |
| Z40..09 | Encounter for prophylactic removal of other organ | Yes |
| Z40..8 | Encounter for other prophylactic surgery | No |
| Z40..81 | Encounter for prophylactic surgery for removal of ovary(s) for persons without known genetic/familial risk factors | Yes |
| Z40..82 | Encounter for prophylactic surgery for removal of fallopian tube(s) for persons without known genetic/familial risk factors | Yes |
| Z40..89 | Encounter for other prophylactic surgery | Yes |
| Z40..9 | Encounter for prophylactic surgery, unspecified | Yes |
Last reviewed: September 2026