Z04: Encounter for examination and observation for other reasons

Codes under Z04 (Encounter for examination and observation for other reasons). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
Z04.1	Encounter for examination and observation following transport accident	✓
Z04.2	Encounter for examination and observation following work accident	✓
Z04.3	Encounter for examination and observation following other accident	✓
Z04.4	Encounter for examination and observation following alleged rape	—
Z04.6	Encounter for general psychiatric examination, requested by authority	✓
Z04.7	Encounter for examination and observation following alleged physical abuse	—
Z04.8	Encounter for examination and observation for other specified reasons	—
Z04.9	Encounter for examination and observation for unspecified reason	✓
Z04.41	Encounter for examination and observation following alleged adult rape	✓
Z04.42	Encounter for examination and observation following alleged child rape	✓
Z04.71	Encounter for examination and observation following alleged adult physical abuse	✓
Z04.72	Encounter for examination and observation following alleged child physical abuse	✓
Z04.81	Encounter for examination and observation of victim following forced sexual exploitation	✓
Z04.82	Encounter for examination and observation of victim following forced labor exploitation	✓
Z04.89	Encounter for examination and observation for other specified reasons	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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