Z28.20
Z28.20: Immunization not carried out because of patient decision for unspecified reason
Billable / specific codeICD-10-CMPOA exempt
Z28.20 is a billable, specific ICD-10-CM code for immunization not carried out because of patient decision for unspecified reason. It is valid for submission on a claim.
Check Z28.20 with the rest of the claim: free scrubberRisk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- Immunization›not done›because›unspecified patient reason
Code history
Unchanged in every release from FY2024 to FY2027.