Version 2024
Replaced Code

2024 ICD-10-CM Diagnosis Code Z05.8

Observation and evaluation of newborn for other specified suspected condition ruled out

ICD-10-CM Code:
Z05.8
ICD-10 Code for:
Obs & eval of NB for oth suspected condition ruled out
Is Billable?
Not Valid for Submission
Code Navigator:

Code Classification

  • Factors influencing health status and contact with health services
    (Z00–Z99)
    • Persons encountering health services for examinations
      (Z00-Z13)
      • Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out
        (Z05)

Z05.8 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of observation and evaluation of newborn for other specified suspected condition ruled out. 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 Obs & eval of NB for oth suspected condition ruled out

Non-specific codes like Z05.8 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 obs & eval of nb for oth suspected condition ruled out:

  • Use Z05.81 for Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled out - BILLABLE CODE

  • Use Z05.89 for Observation and evaluation of newborn for other specified suspected condition ruled out - BILLABLE CODE

Clinical Classification

New 2024 ICD-10-CM Code

Z05.8 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).


  • Z05.81 - Obs & eval NB for susp cond rel to home physio mon dev R/O
  • Z05.89 - Obs & eval of NB for oth suspected condition ruled out

Replacement Code

Z058 replaces the following previously assigned ICD-10-CM code(s):

  • P00.89 - Newborn affected by oth maternal conditions
  • P00.89 - Newborn affected by other maternal conditions

Convert Z05.8 to ICD-9-CM

  • ICD-9-CM Code: V29.8 - NB obsrv oth suspct cond
    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