Version 2024

2024 ICD-10-CM Diagnosis Code Z04

Encounter for examination and observation for other reasons

ICD-10-CM Code:
Z04
ICD-10 Code for:
Encounter for examination and observation for other reasons
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 examination and observation for other reasons
        (Z04)

Z04 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 examination and observation for other reasons. 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 examination and observation for other reasons

Non-specific codes like Z04 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 examination and observation for other reasons:

  • Use Z04.1 for Encounter for examination and observation following transport accident - BILLABLE CODE

  • Use Z04.2 for Encounter for examination and observation following work accident - BILLABLE CODE

  • Use Z04.3 for Encounter for examination and observation following other accident - BILLABLE CODE

  • Z04.4 for Encounter for examination and observation following alleged rape - NON-BILLABLE CODE

  • Use Z04.41 for Encounter for examination and observation following alleged adult rape - BILLABLE CODE

  • Use Z04.42 for Encounter for examination and observation following alleged child rape - BILLABLE CODE

  • Use Z04.6 for Encounter for general psychiatric examination, requested by authority - BILLABLE CODE

  • Z04.7 for Encounter for examination and observation following alleged physical abuse - NON-BILLABLE CODE

  • Use Z04.71 for Encounter for examination and observation following alleged adult physical abuse - BILLABLE CODE

  • Use Z04.72 for Encounter for examination and observation following alleged child physical abuse - BILLABLE CODE

  • Z04.8 for Encounter for examination and observation for other specified reasons - NON-BILLABLE CODE

  • Use Z04.81 for Encounter for examination and observation of victim following forced sexual exploitation - BILLABLE CODE

  • Use Z04.82 for Encounter for examination and observation of victim following forced labor exploitation - BILLABLE CODE

  • Use Z04.89 for Encounter for examination and observation for other specified reasons - BILLABLE CODE

  • Use Z04.9 for Encounter for examination and observation for unspecified reason - BILLABLE CODE

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.


Includes

Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
  • encounter for examination for medicolegal reasons
  • This category is to be used when a person without a diagnosis is suspected of having an abnormal condition, without signs or symptoms, which requires study, but after examination and observation, is ruled-out. This category is also for use for administrative and legal observation status.

Code History

  • FY 2024 - No Change, 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
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.