Z28.29 – Immunization not carried out because of patient decision for other reason

ICD-10-CM 2027 diagnosis code · Persons with potential health hazards related to communicable diseases

Billable code

ICD-10-CM code Z28.29

Code: Z28.29 (claims format: Z2829)
Description: Immunization not carried out because of patient decision for other reason
Short description: Immuniz not crd out bec patient decision for oth reason
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 21. Factors influencing health status and contact with health services (Z00-Z99)
Block: Z20-Z29 Persons with potential health hazards related to communicable diseases
Parent codes: Z28 › Z28.2

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Z28 – Immunization not carried out and underimmunization status

Includes:

vaccination not carried out

Code also:

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

Index terms for Z28.29

Entries in the ICD-10-CM alphabetic index that lead to this code:

Immunization, not done, because, specified reason NEC, of patient

Related codes in Z28.2

Frequently asked questions

What is ICD-10 code Z28.29?

Z28.29 is the ICD-10-CM code for immunization not carried out because of patient decision for other reason, in the block Z20-Z29 (Persons with potential health hazards related to communicable diseases).

Is Z28.29 a billable code?

Yes. Z28.29 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Z28.29 belong to?

It belongs to category Z28 – Immunization not carried out and underimmunization status.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.