Z28.02

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

Billable / specificPOA exempt

Z28.02 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from Z28)

  • vaccination not carried out
  • Note: Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if a procedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as 'diagnoses' or 'problems'. This can arise in two main ways:
  • Note: (a) When a person who may or may not be sick encounters the health services for some specific purpose, such as to receive limited care or service for a current condition, to donate an organ or tissue, to receive prophylactic vaccination (immunization), or to discuss a problem which is in itself not a disease or injury.
  • Note: (b) When some circumstance or problem is present which influences the person's health status but is not in itself a current illness or injury.

Code also

An additional code may be needed.

  • , if applicable, encounter for immunization safety counseling (Z71.85) (from Z28)

Also known as

  • Immunization, not done, because, chronic illness of patient

Parent code

  • Z28.0Immunization not carried out because of contraindicationHeader

Related codes

  • Z28.01Immunization not carried out because of acute illness of patientBillable
  • Z28.03Immunization not carried out because of immune compromised state of patientBillable
  • Z28.04Immunization not carried out because of patient allergy to vaccine or componentBillable
  • Z28.09Immunization not carried out because of other contraindicationBillable

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