Z29

ICD-10Non-billable category

Encounter for other prophylactic measures

Official ICD-10-CM descriptor (FY2026)

Encounter for other prophylactic measures

Z29 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.

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

desensitization to allergens (Z51.6)
prophylactic surgery (Z40.-)

More specific codes under Z29

Where this code sits

Chapter: 21. Factors influencing health status and contact with health services (Z00-Z99)
Block: Persons with potential health hazards related to communicable diseases (Z20-Z29)

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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.