Z04

Z04: Encounter for examination and observation for other reasons

Non-billable headerICD-10-CM

Z04 is a non-billable header ICD-10-CM code for encounter for examination and observation for other reasons. It cannot be billed on its own: choose one of the more specific child codes below.

Includes

Conditions this code covers.

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.

Other codes that can never be billed with Z04

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

Z04.1Encounter for examination and observation following transport accident
Z04.71Encounter for examination and observation following alleged adult physical abuse
Z04.72Encounter for examination and observation following alleged child physical abuse
T76Adult and child abuse, neglect and other maltreatment, suspected
T76.2Sexual abuse, suspected

Risk adjustment

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

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead Z04

8 child codes. Green means billable.