Z28.2 – Immunization not carried out because of patient decision for other and unspecified reason
ICD-10-CM 2027 diagnosis code · Persons with potential health hazards related to communicable diseases
- Code
Z28.2(claims format:Z282)- Description
- Immunization not carried out because of patient decision for other and unspecified reason
- Short description
- Immuniz not crd out bec pt decision for oth and unsp reason
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 21. Factors influencing health status and contact with health services (Z00-Z99)
- Block
- Z20-Z29 Persons with potential health hazards related to communicable diseases
- Parent codes
- Z28
Billable codes under Z28.2
Z28.2 is a header code and cannot be used on claims. Choose the most specific code:
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Z28 – Immunization not carried out and underimmunization status
- vaccination not carried out
- , if applicable, encounter for immunization safety counseling (Z71.85)
Related codes in Z28
- Z28.0 – Immunization not carried out because of contraindicationHeader
- Z28.1 – Immunization not carried out because of patient decision for reasons of belief or group pressureBillable
- Z28.3 – Underimmunization statusHeader
- Z28.8 – Immunization not carried out for other reasonHeader
- Z28.9 – Immunization not carried out for unspecified reasonBillable
Frequently asked questions
What is ICD-10 code Z28.2?
Z28.2 is the ICD-10-CM code for immunization not carried out because of patient decision for other and unspecified reason, in the block Z20-Z29 (Persons with potential health hazards related to communicable diseases).
Is Z28.2 a billable code?
No. Z28.2 is a header code with more specific child codes; report one of the billable codes listed above.
What category does Z28.2 belong to?
It belongs to category Z28 – Immunization not carried out and underimmunization status.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.