Z04
Non-billableEncounter for examination and observation for other reasons
Z04 is the ICD-10-CM code for Encounter for examination and observation for other reasons. It is a non-billable category code — use a more specific child code such as Z04.1 for billing.
- Status
- Header (non-billable)
- Chapter
- Z00-Z99
- Subcodes
- 8
- Edition
- FY2026
Z00-Z99 Factors influencing health status and contact with health services
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.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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