Z28.01
ICD-10-CMImmunization not carried out because of acute illness of patient
This code signifies that a scheduled immunization was deferred due to the patient experiencing an acute illness at the time of the planned vaccination. It indicates a temporary contraindication to vaccination, not a permanent one. The patient was otherwise eligible for the immunization but could not receive it due to their current health status.
Use this code when a patient presents for a vaccination, but the healthcare provider determines that an acute illness (e.g., fever, respiratory infection, gastroenteritis) makes it medically inappropriate or unsafe to administer the vaccine at that time. This code would be assigned when the immunization is postponed with the intent to reschedule once the acute illness resolves.
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