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Z23

Billable

Encounter for immunization

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A visit to receive a vaccination or immunization to prevent disease.

Coding Tips

  • •Always include the specific vaccine code(s) administered in addition to Z23
  • •This code is used for preventive visits and should be paired with procedure codes for the actual vaccination

Code First

  • any routine childhood examination

Code Also

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

Code Hierarchy

└Z23Encounter for immunization
└Z23Encounter for immunization

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