ICD-10 Diagnosis Code Z04.9

Encounter for examination and observation for unsp reason

Diagnosis Code Z04.9

ICD-10: Z04.9
Short Description: Encounter for examination and observation for unsp reason
Long Description: Encounter for examination and observation for unspecified reason
This is the 2018 version of the ICD-10-CM diagnosis code Z04.9

Valid for Submission
The code Z04.9 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Factors influencing health status and contact with health services (Z00–Z99)
    • Persons encountering health services for examinations (Z00-Z13)
      • Encounter for examination and observation for other reasons (Z04)

Information for Medical Professionals


Code Edits
The following edits are applicable to this code:
Unacceptable principal diagnosis Additional informationCallout TooltipUnacceptable principal diagnosis
There are selected codes that describe a circumstance which influences an individual’s health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

Synonyms
  • Admitted for observation

Index of Diseases and Injuries
References found for the code Z04.9 in the Index of Diseases and Injuries:


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