Is Z28.2 a billable code?
No. Z28.2 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
Z28.2: Immunization not carried out because of patient decision for other and unspecified reason
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
Z28.2 groups related diagnoses under immunization not carried out because of patient decision for other and unspecified reason. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under Z28.2
- Z28.20Immunization not carried out because of patient decision for unspecified reason
- Z28.21Immunization not carried out because of patient refusal
- Z28.29Immunization not carried out because of patient decision for other reason
Other codes in Z28 Immunization not carried out and underimmunization status
- Z28.0Immunization not carried out because of contraindicationheader
- Z28.1Immunization not carried out because of patient decision for reasons of belief or group pressure
- Z28.3Underimmunization statusheader
- Z28.8Immunization not carried out for other reasonheader
- Z28.9Immunization not carried out for unspecified reason
Z28.2 questions
What does Z28.2 mean?
Z28.2 is the ICD-10-CM code for Immunization not carried out because of patient decision for other and unspecified reason. It is in chapter 22, Factors influencing health status and contact with health services (Z00-Z99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.