Z04.9 - Encounter for examination and observation for unspecified reason
- Applicable to Encounter for examination and observation for unspecified reason
- The 2025 edition of ICD10-CM Z04.9 became effective on October 1, 2024.
- This is the American ICD10-CM version of Z04.9 - other international versions of ICD10 Z04.9 may differ.
- Z04.9 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Inclusion Term
- Encounter for observation NOS
The following codes above Z04.9 contain annotation back-references that may be applicable to Z04.9:
Chapter: Z00-Z99 Factors influencing health status and contact with health services
Section: Z00-Z13 Persons encountering health services for examinations
Category: Z04 Encounter for examination and observation for other reasons
Billable/Specific Code
Browse other similar CM codes
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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