Version 2024
Replaced Code

2024 ICD-10-CM Diagnosis Code Z29.8

Encounter for other specified prophylactic measures

ICD-10-CM Code:
Z29.8
ICD-10 Code for:
Encounter for other specified prophylactic measures
Is Billable?
Not Valid for Submission
Code Navigator:

Code Classification

  • Factors influencing health status and contact with health services
    (Z00–Z99)
    • Persons with potential health hazards related to communicable diseases
      (Z20-Z29)
      • Encounter for other prophylactic measures
        (Z29)

Z29.8 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of encounter for other specified prophylactic measures. The code is not specific and is NOT valid for the year 2024 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding Applicable to Encounter for other specified prophylactic measures

Non-specific codes like Z29.8 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for encounter for other specified prophylactic measures:

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

  • Use Z29.89 for Encounter for other specified prophylactic measures - BILLABLE CODE

Clinical Classification

New 2024 ICD-10-CM Code

Z29.8 is new to ICD-10-CM code set for the FY 2024, effective October 1, 2023. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2023. This is a new and revised code for the FY 2024 (October 1, 2023 - September 30, 2024).

Replaced Code

This code was replaced in the 2024 ICD-10-CM code set with the code(s) listed below. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2023. This code was replaced for the FY 2024 (October 1, 2023 - September 30, 2024).


  • Z29.81 - Encounter for HIV pre-exposure prophylaxis
  • Z29.89 - Encounter for other specified prophylactic measures

Replacement Code

Z298 replaces the following previously assigned ICD-10-CM code(s):

  • Z76.89 - Persons encountering health services in oth circumstances

Convert Z29.8 to ICD-9-CM

  • ICD-9-CM Code: V07.39 - Other prophylac chemothr
    Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

Code History

  • FY 2024 - Code Added, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018