Z40.0

ICD-10Non-billable category

Encntr for prophylc surg for risks related to malig neoplm

Official ICD-10-CM descriptor (FY2026)

Encounter for prophylactic surgery for risk factors related to malignant neoplasms

Z40.0 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Inclusion terms

Admission for prophylactic organ removal

Use additional code

Report an additional code to identify the associated condition.

code to identify risk factor, such as genetic susceptibility to malignant neoplasm Z15.-

ICD-10-CM FY2026 defines 5 codes beneath Z40.0. See the ICD-10-CM index for what this site publishes.

Related codes in Z40

Where this code sits

Chapter: 21. Factors influencing health status and contact with health services (Z00-Z99)
Block: Encounters for other specific health care (Z40-Z53)
Parent code: Z40

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.