Z04.2 Encounter for examination and observation following work accident

Billable ICD-10-CM code, FY2026.

Applies from Z04 Encounter for examination and observation for other reasons

Includes

• 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.

MS-DRG index

Defines the logic of DRG(s) 922-923 in MDC 21.

Approximate ICD-9-CM (GEMs)

• V71.3 Observation following accident at work

Code annotations containing back-references to Z04.2

Back-references to Z04.2

• Type 1 Excludes: Z04.1 Encounter for examination and observation following transport accident ("encounter for examination and observation following work accident (Z04.2)")

Diagnosis Index entries for Z04.2

• Examination (for) (following) (general) (of) (routine) › following › accident NEC › work
• Observation (following) (for) (without need for further medical care) › accident NEC › at work
• Observation (following) (for) (without need for further medical care) › following work accident
• Observation (following) (for) (without need for further medical care) › suspected, ruled out › accident at work

Nearby codes

• 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 (this code)
• 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