Z40: Encounter for prophylactic surgery

Codes under Z40 (Encounter for prophylactic surgery). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
Z40.0	Encounter for prophylactic surgery for risk factors related to malignant neoplasms	—
Z40.00	Encounter for prophylactic removal of unspecified organ	✓
Z40.01	Encounter for prophylactic removal of breast	✓
Z40.02	Encounter for prophylactic removal of ovary(s)	✓
Z40.03	Encounter for prophylactic removal of fallopian tube(s)	✓
Z40.8	Encounter for other prophylactic surgery	—
Z40.09	Encounter for prophylactic removal of other organ	✓
Z40.9	Encounter for prophylactic surgery, unspecified	✓
Z40.81	Encounter for prophylactic surgery for removal of ovary(s) for persons without known genetic/familial risk factors	✓
Z40.82	Encounter for prophylactic surgery for removal of fallopian tube(s) for persons without known genetic/familial risk factors	✓
Z40.89	Encounter for other prophylactic surgery	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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