2024 ICD-10-CM Diagnosis Code Z04.3

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Encounter for examination and observation following other accident

  • Z04.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Encounter for exam and observation following oth accident
  • The 2024 edition of ICD-10-CM Z04.3 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of Z04.3 – other international versions of ICD-10 Z04.3 may differ.

The following code(s) above Z04.3 contain annotation back-references

 that may be applicable to Z04.3:

  • Z00-Z99  Factors influencing health status and contact with health services
  • Z00-Z13  Persons encountering health services for examinations
  • Z04  Encounter for examination and observation for other reasons

Approximate Synonyms

  • Observation following motor vehicle accident
  • Observation following motor vehicle accident done

ICD-10-CM Z04.3 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 922 Other injury, poisoning and toxic effect diagnoses with mcc
  • 923 Other injury, poisoning and toxic effect diagnoses without mcc

Convert Z04.3 to ICD-9-CMCode History

  • 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
  • 2024 (effective 10/1/2023): No change

Diagnosis Index entries containing back-references to Z04.3:

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