Category: Z28 - Immunization not carried out and underimmunization status

 Chapter Notes

 Z28

Immunization not carried out and underimmunization status

vaccination not carried out

Code also, if applicable, encounter for immunization safety counseling (Z71.85)

 Z28.0

Immunization not carried out because of contraindication

 Z28.01

Immunization not carried out because of acute illness of patient

 Z28.02

Immunization not carried out because of chronic illness or condition of patient

 Z28.03

Immunization not carried out because of immune compromised state of patient

 Z28.04

Immunization not carried out because of patient allergy to vaccine or component

 Z28.09

Immunization not carried out because of other contraindication

 Z28.1

Immunization not carried out because of patient decision for reasons of belief or group pressure

Immunization not carried out because of religious belief

 Z28.2

Immunization not carried out because of patient decision for other and unspecified reason

 Z28.20

Immunization not carried out because of patient decision for unspecified reason

 Z28.21

Immunization not carried out because of patient refusal

 Z28.29

Immunization not carried out because of patient decision for other reason

 Z28.3

Underimmunization status

Use additional code, if applicable, to identify:

immunization not carried out because of contraindication (Z28.0-)

immunization not carried out because of patient decision for other and unspecified reason (Z28.2-)

immunization not carried out because of patient decision for reasons of belief or group pressure (Z28.1)

immunization not carried out for other reason (Z28.8-)

 Z28.31

Underimmunization for COVID-19 status

These codes should not be used for individuals who are not eligible for the COVID-19 vaccines, as determined by the healthcare provider.

 Z28.310

Unvaccinated for COVID-19

 Z28.311

Partially vaccinated for COVID-19

 Z28.39

Other underimmunization status

Delinquent immunization status

Lapsed immunization schedule status

 Z28.8

Immunization not carried out for other reason

 Z28.81

Immunization not carried out due to patient having had the disease

 Z28.82

Immunization not carried out because of caregiver refusal

Immunization not carried out because of guardian refusal

Immunization not carried out because of parent refusal

immunization not carried out because of caregiver refusal because of religious belief (Z28.1)

 Z28.83

Immunization not carried out due to unavailability of vaccine

Delay in delivery of vaccine

Lack of availability of vaccine

Manufacturer delay of vaccine

 Z28.89

Immunization not carried out for other reason

 Z28.9

Immunization not carried out for unspecified reason