Z40.81: Encounter for prophylactic surgery for removal of ovary(s) for persons without known genetic/familial risk factors

New code · FY2026

Billable: use this code on claims.

New code, effective October 1, 2025 (FY2026).

Code breakdown

Z40.81

Z40CategoryEncounter for prophylactic surgery
8Character 4Encounter for other prophylactic surgery
1Character 5Encounter for prophylactic surgery for removal of ovary(s) for persons without known genetic/familial risk factors

Coding notes

Inclusion terms

Encounter for prophylactic oophorectomy for persons without known genetic/ familial risk factors

Excludes1 (from Z40)

organ donations (Z52.-)
therapeutic organ removal-code to condition

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All FY2026 ICD-10-CM changes

ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.