Z28.20
ICD-10-CMImmunization not carried out because of patient decision for unspecified reason
This code signifies that a patient declined a recommended immunization, and the specific reason for their refusal was not documented or is unknown. It indicates a missed opportunity for vaccination due to the patient's choice, without further detail on their rationale.
Apply this code when a healthcare provider recommends an immunization, but the patient explicitly refuses it, and the medical record does not specify why (e.g., fear of needles, religious beliefs, concerns about side effects). This is appropriate when the patient's decision is the sole reason the vaccine was not administered.
AI-generated reference. Verify against official guidelines.
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