it depends but if this therapist is for a medical condition (whether physical or mental), then you will be able to claim an itemized medical deduction for your out of pocket costs for these therapy sessions.
TurboTax will guide
you on entering all of your medical expenses so include everything you
paid out-of-pocket including prescriptions, glasses, dentist bills, etc.
Here is a link for
more information about claiming
medical expenses on your tax return
To enter medical expense information in TurboTax, log into your tax
return (for TurboTax Online sign-in, click Here and click on "Take me to my
return") type "medical expense"
in the search bar then select "jump to
medical expense". TurboTax will guide you in entering this information.