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ICD-10-CM Codes
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Z00-Z99
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Z00-Z13
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Z04-
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2023 ICD-10-CM Diagnosis Code Z04
2023 ICD-10-CM Diagnosis Code Z04
Encounter for examination and observation for other reasons
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
- Z04 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2023 edition of ICD-10-CM Z04 became effective on October 1, 2022.
- This is the American ICD-10-CM version of Z04 - other international versions of ICD-10 Z04 may differ.
IncludesIncludes Help
"Includes" further defines, or give examples of, the content of the code or 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.
The following code(s) above
Z04 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
Z04:
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To Z04
Z03.8 Encounter for observation for other suspected diseases and conditions ruled out
Z03.81 Encounter for observation for suspected exposure to biological agents ruled out
Z03.810 Encounter for observation for suspected exposure to anthrax ruled out
Z03.818 Encounter for observation for suspected exposure to other biological agents ruled out
Z03.82 Encounter for observation for suspected foreign body ruled out
Z03.821 Encounter for observation for suspected ingested foreign body ruled out
Z03.822 Encounter for observation for suspected aspirated (inhaled) foreign body ruled out
Z03.823 Encounter for observation for suspected inserted (injected) foreign body ruled out
Z03.83 Encounter for observation for suspected conditions related to home physiologic monitoring device ruled out
Z03.89 Encounter for observation for other suspected diseases and conditions ruled out
Z04
Encounter for examination and observation for other reasons
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
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
