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

examination icd 10
 
observation icd 10
 
reason icd 10
 
Billable/Specific Code

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