All ICD10 Codes

Z28.9

Billable
ChapterZ00–Z99
Ranksubcategory
Official Description

Immunization not carried out for unspecified reason

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99).
General instructions are available for the parent sections:
View Z28 Notes

Clinical Hierarchy

BillableHas subcodes
CH21Factors influencing health status and contact with health services (Z00-Z99)
Z20-Z29Persons with potential health hazards related to communicable diseases (Z20-Z29)
Z28Immunization not carried out and underimmunization status
Z28.9Immunization not carried out for unspecified reasonBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Z28.9:

categoryZ28
Immunization not carried out and underimmunization status
View context instructions

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 795
Normal Newborn
DRG 951
Other Factors Influencing Health Status

Cross Reference

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