# 90785: Interactive complexity

- **CPT code:** 90785

## Service Type Codes to Send

1. [MH Mental Health](https://www.verifytx.com/stc-lookup/service-types/MH/)
2. [A6 Psychotherapy](https://www.verifytx.com/stc-lookup/service-types/A6/)

**Why these codes:** An add-on to a therapy or evaluation code; it follows the code it's added to.

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

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Canonical: https://www.verifytx.com/stc-lookup/procedure-codes/90785/