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ICD-10-CM Current in FY 2027

Z28.39

Other underimmunization status

Release
FY 2027
Effective

Hierarchy

Where Z28.39 sits in the official hierarchy. Each level is the code it is classified under.

  1. Z28 Immunization not carried out and underimmunization status
  2. Z28.3 Parent Underimmunization status
  3. Z28.39 This code Other underimmunization status

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Includes

vaccination not carried out

Inherited from Z28 — Immunization not carried out and underimmunization status

Inclusion Terms

Delinquent immunization status

Inclusion Terms

Lapsed immunization schedule status

Use Additional Code

code, if applicable, to identify:

Inherited from Z28.3 — Underimmunization status

Use Additional Code

immunization not carried out because of contraindication ( Z28.0- )

Inherited from Z28.3 — Underimmunization status

Use Additional Code

immunization not carried out because of patient decision for other and unspecified reason ( Z28.2- )

Inherited from Z28.3 — Underimmunization status

Use Additional Code

immunization not carried out because of patient decision for reasons of belief or group pressure ( Z28.1 )

Inherited from Z28.3 — Underimmunization status

Use Additional Code

immunization not carried out for other reason ( Z28.8- )

Inherited from Z28.3 — Underimmunization status

Code Also

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

Inherited from Z28 — Immunization not carried out and underimmunization status

Version History

How Z28.39 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Other underimmunization status

  2. FY 2026 Effective

    Unchanged

    Other underimmunization status

Other codes under Z28.3

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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