This is a super short guide on billing a typical 2 hour individual therapy session for outpatient mental health therapy.
You’ll want to use your typical 90837 CPT code. Then you’ll also want to use the Add On CPT code 99354 which declares an additional 30 to 74 minutes of therapy.
So any time you do 90 to 2 hours and 14 minutes of therapy, make sure to use the combination of CPT Codes 90837 and +99354.
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