Z28.2

ICD-10Non-billable category

Immuniz not crd out bec pt decision for oth and unsp reason

Official ICD-10-CM descriptor (FY2026)

Immunization not carried out because of patient decision for other and unspecified reason

Z28.2 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.

ICD-10-CM FY2026 defines 3 codes beneath Z28.2. See the ICD-10-CM index for what this site publishes.

Related codes in Z28

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)
Parent code: Z28

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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.