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Z04.2

Z04.2: Encounter for examination and observation following work accident

Billable / specific codeICD-10-CM

Z04.2 is a billable, specific ICD-10-CM code for encounter for examination and observation following work accident. It is valid for submission on a claim.

Check Z04.2 with the rest of the claim: free scrubber

Other codes that can never be billed with Z04.2

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • Z04.1Encounter for examination and observation following transport accident

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Observation›following work accident
  • Observation›accident NEC›at work
  • Observation›suspected, ruled out›accident at work
  • Examination›following›accident NEC›work

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Z04

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.