ICD-10 Diagnosis Code Z04.2

Encounter for exam and observation following work accident

Diagnosis Code Z04.2

ICD-10: Z04.2
Short Description: Encounter for exam and observation following work accident
Long Description: Encounter for examination and observation following work accident
This is the 2017 version of the ICD-10-CM diagnosis code Z04.2

Valid for Submission
The code Z04.2 is valid for submission for HIPAA-covered transactions.

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)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code Z04.2 is grouped in the following Diagnostic Related Group(s) (MS-DRG v33.0)

  • OTHER INJURY, POISONING AND TOXIC EFFECT DIAGNOSES WITH MCC 922
  • OTHER INJURY, POISONING AND TOXIC EFFECT DIAGNOSES WITHOUT MCC 923

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
  • V71.3 - Observ-work accident

Information for Patients


Occupational Health

Occupational health problems occur at work or because of the kind of work you do. These problems can include

  • Cuts, broken bones, sprains, and strains
  • Loss of limbs
  • Repetitive motion disorders
  • Hearing problems caused by exposure to noise
  • Vision problems
  • Illness caused by breathing, touching, or swallowing unsafe substances
  • Illness caused by exposure to radiation
  • Exposure to germs in health care settings

Good job safety and prevention practices can reduce your risk of these problems. Try to stay fit, reduce stress, set up your work area properly, and use the right equipment and gear.

  • Back pain - returning to work
  • Occupational asthma
  • Occupational hearing loss
  • Pregnancy and work
  • Protecting Yourself from Heat Stress (National Institute for Occupational Safety and Health)


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