Z28.1

ICD-10Billable

Immuniz not crd out because of patient belief/grp pressr

Official ICD-10-CM descriptor (FY2026)

Immunization not carried out because of patient decision for reasons of belief or group pressure

Z28.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Immunization not carried out because of religious belief

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.