# 99204: New patient office visit, long

- **CPT code:** 99204

## Service Type Codes to Send

1. [MH Mental Health](https://www.verifytx.com/stc-lookup/service-types/MH/)
2. [A4 Psychiatric](https://www.verifytx.com/stc-lookup/service-types/A4/)
3. [98 Professional (Physician) Visit - Office](https://www.verifytx.com/stc-lookup/service-types/98/)

**Why these codes:** When a psychiatrist bills an office visit, payers answer under mental health; the office visit benefit is the fallback.

**Sources:** X12 HIPAA 5010 service type code definitions; VerifyTX billing practice

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Canonical: https://www.verifytx.com/stc-lookup/procedure-codes/99204/