Immunization not carried out and underimmunization status Z28

The ICD10 code for the diagnosis "Immunization not carried out and underimmunization status" is "Z28". Z28 is NOT a 'valid' or 'billable' ICD10 code. Please select a more specific diagnosis below.

  • Z28 should not be used for reimbursement purposes. Please select a more specific diagnosis below.
  • The 2019 edition of ICD-10-CM Z28 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of Z28 - other international versions of ICD-10 Z28 may differ.
Includes:
  • vaccination not carried out

Codes: = Billable

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.