ICD-10-CM Codes
Z00-Z99 Factors influencing health status and contact with health services
Z20-Z29 Persons with potential health hazards related to communicable diseases
Immunization not carried out and underimmunization status Z28

Immunization not carried out and underimmunization status Z28-

Code Also

Code Also Help

A code also note instructs that 2 codes may be required to fully describe a condition but the sequencing of the two codes is discretionary, depending on the severity of the conditions and the reason for the encounter.

, if applicable, encounter for immunization safety counseling (
ICD-10-CM Diagnosis Code Z71.85
Encounter for immunization safety counseling
Applicable To
- Encounter for vaccine product safety counseling
Code Also
- , if applicable, encounter for immunization (Z23)
Type 1 Excludes
- encounter for health counseling related to travel (Z71.84)
Z71.85
)

Includes

Includes Help

"Includes" further defines, or give examples of, the content of the code or category.

vaccination not carried out

Codes

Z28 Immunization not carried out and underimmunization status
- 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
- 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
  - Z28.31 Underimmunization for COVID-19 status
    - Z28.310 Unvaccinated for COVID-19
    - Z28.311 Partially vaccinated for COVID-19
  - Z28.39 Other underimmunization 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
  - Z28.83 Immunization not carried out due to unavailability of vaccine
  - Z28.89 Immunization not carried out for other reason
- Z28.9 Immunization not carried out for unspecified reason

Immunization not carried out and underimmunization status Z28-

Encounter for immunization safety counseling