2026 ICD-10-CM Diagnosis Code Z29Encounter for other prophylactic measures

ICD-10-CM CodesZ00–Z99Z20-Z29Z29

ICD-10-CM Z29
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z29 is a non-billable ICD-10-CM category code for encounter for other prophylactic measures, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Z29.11, Z29.12, Z29.13, and Z29.14.

Code Identity

ICD-10-CM Code
Z29
Billable Status
No — Non-Billable Category
Code Describes
Encounter for other prophylactic measures
Short Description
Encounter for other prophylactic measures
Same as the full description in the CMS dataset.
Chapter
Z20-Z29
Persons with potential health hazards related to communicable diseases

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ20-Z29Persons with potential health hazards related to communicable diseases
CategoryZ29Encounter for other prophylactic measures
This CodeZ29Encounter for other prophylactic measures

Specific Coding for Encounter for other prophylactic measuresOverview

Non-specific codes like Z29 require more characters. Use one of these billable codes instead:

  • Z29.1 for Encounter for prophylactic immunotherapy

  • Use Z29.11 for Encounter for prophylactic immunotherapy for respiratory syncytial virus (RSV)

  • Use Z29.12 for Encounter for prophylactic antivenin

  • Use Z29.13 for Encounter for prophylactic Rho(D) immune globulin

  • Use Z29.14 for Encounter for prophylactic rabies immune globin

  • Use Z29.3 for Encounter for prophylactic fluoride administration

  • Z29.8 for Encounter for other specified prophylactic measures

  • Use Z29.81 for Encounter for HIV pre-exposure prophylaxis

  • Use Z29.89 for Encounter for other specified prophylactic measures

  • Use Z29.9 for Encounter for prophylactic measures, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

  • desensitization to allergens Z51.6
  • prophylactic surgery Z40

Code HistoryHistory

FY 2019AddedAdded to the ICD-10-CM code setEffective October 1, 2018.
FY 2020–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Z29Overview

What is the ICD-10 code for encounter for other prophylactic measures?

Z29 is the ICD-10-CM category for encounter for other prophylactic measures, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is Z29 (Encounter for other prophylactic measures) a billable code?

No. This is a category header that groups the codes for encounter for other prophylactic measures, and headers cannot be submitted on claims. Claims for encounter for other prophylactic measures need a more specific code from this category, such as Z29.11, Z29.12, and Z29.13.