Skip to main content

No immunization or underimmunization

CCSR category FAC017 · 18 ICD-10-CM codes

ICD-10-CM Codes in This Category (18)

  • 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
  • Z28.20 — 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
  • Z28.310 — Unvaccinated for COVID-19
  • Z28.311 — Partially vaccinated for COVID-19
  • Z28.39 — Other underimmunization status
  • 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

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, Rockville, MD. All data sources.