Z28.9 - Immunization not carried out for unspecified reason
- Applicable to Immunization not carried out for unspecified reason
- The 2025 edition of ICD10-CM Z28.9 became effective on October 1, 2024.
- This is the American ICD10-CM version of Z28.9 - other international versions of ICD10 Z28.9 may differ.
- Z28.9 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The following codes above Z28.9 contain annotation back-references that may be applicable to Z28.9:
Chapter: Z00-Z99 Factors influencing health status and contact with health services
Section: Z20-Z29 Persons with potential health hazards related to communicable diseases
Category: Z28 Immunization not carried out and underimmunization status
Billable/Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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