ICD-10-CM Code Z04

Encounter for examination and observation for other reasons

Version 2020 Non-Billable Code

Not Valid for Submission

Z04 is a "header" nonspecific and non-billable 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 valid for the year 2020 for the submission of HIPAA-covered transactions.

ICD-10:Z04
Short Description:Encounter for examination and observation for other reasons
Long Description:Encounter for examination and observation for other reasons

Consider the following ICD-10 codes with a higher level of specificity:

  • Z04.1 - Encounter for examination and observation following transport accident
  • Z04.2 - Encounter for examination and observation following work accident
  • Z04.3 - Encounter for examination and observation following other accident
  • Z04.4 - Encounter for examination and observation following alleged rape
  • Z04.41 - Encounter for examination and observation following alleged adult rape
  • Z04.42 - Encounter for examination and observation following alleged child rape
  • Z04.6 - Encounter for general psychiatric examination, requested by authority
  • Z04.7 - Encounter for examination and observation following alleged physical abuse
  • Z04.71 - Encounter for examination and observation following alleged adult physical abuse
  • Z04.72 - Encounter for examination and observation following alleged child physical abuse
  • Z04.8 - Encounter for examination and observation for other specified reasons
  • Z04.81 - Encounter for examination and observation of victim following forced sexual exploitation
  • Z04.82 - Encounter for examination and observation of victim following forced labor exploitation
  • Z04.89 - Encounter for examination and observation for other specified reasons
  • Z04.9 - Encounter for examination and observation for unspecified reason

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code Z04:

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 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)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020