-- Because

--- Acute Illness Of Patient Z28.01

--- Allergy To Vaccine Z28.04

--- Caregiver Refusal Z28.82

--- Chronic Illness Of Patient Z28.02

--- Contraindication NEC Z28.09

--- Delay In Delivery Of Vaccine Z28.83

--- Group Pressure Z28.1

--- Guardian Refusal Z28.82

--- Immune Compromised State Of Patient Z28.03

--- Lack Of Availability Of Vaccine Z28.83

--- Manufacturer Delay Of Vaccine Z28.83

--- Parent Refusal Z28.82

--- Patient's Belief Z28.1

--- Patient Had Disease Being Vaccinated Against Z28.81

--- Patient Refusal Z28.21

--- Religious Beliefs Of Patient Z28.1

--- Specified Reason NEC Z28.89

---- Of Patient Z28.29

--- Unavailability Of Vaccine Z28.83

--- Unspecified Patient Reason Z28.20