CPT 90833: Psychotherapy Add-on, 30 min with E/M
Psychotherapy, 30 minutes with patient when performed with an evaluation and management service. Add-on code billed with a primary E/M service.
Why CPT 90833 Claims Get Denied
Claims billed under CPT 90833 are frequently denied or downcoded for the following reasons. Understanding these patterns helps your practice reduce denial rates and recover revenue faster.
Primary E/M code not billed
Time documentation insufficient
Psychotherapy content not documented separately from E/M
Provider credential not accepted for psychotherapy
Billing Tips for CPT 90833
This is an add-on code — must be billed with a primary E/M code (99202-99215). Do not bill with standalone psychotherapy codes (90832-90838). Document the psychotherapy content separately from the E/M service. Time range is 16-37 minutes for psychotherapy.
Documentation Requirements
To support a clean claim for CPT 90833, your clinical documentation should include:
Primary E/M documentation
Psychotherapy start and stop times
Psychotherapy modality and interventions
Separate psychotherapy note content
Patient progress in therapy
Reduce CPT 90833 Denials by 60%
RediClaim's pre-submission scrubber catches documentation gaps and coding errors before you submit, while the appeal generator handles denials that slip through.