90833, 90836, 90838: Psychotherapy Add-On Codes to E/M

Last Updated: October 5, 2025

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If a psychiatrist or PMHNP sees a patient for a medication check (E/M) AND provides formal psychotherapy during the same visit, they can bill both services using the psychiatric add-on codes.

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How Add-On Therapy Works

First, you bill the primary E/M code based on Medical Decision Making (MDM), NOT time. (e.g., 99214 for managing high-risk psychiatric meds).

Then, you bill the add-on psychotherapy code based strictly on the time spent providing therapy:

  • +90833: 16-37 minutes of therapy.
  • +90836: 38-52 minutes of therapy.
  • +90838: 53+ minutes of therapy.

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Documentation Requirements

The medical record MUST have two distinct sections: one documenting the medication management (the E/M), and one documenting the specific psychotherapeutic techniques used (e.g., CBT, DBT). You must also explicitly state the time spent on therapy separate from the time spent on med management.

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NCCI Edits

Because these are add-on codes, they NEVER require Modifier 51 or Modifier 59 when billed with the primary E/M code. However, they will instantly deny if billed by themselves without a primary E/M.

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90833, 90836, 90838: Psychotherapy Add-On Codes to E/M