If you click on Review in Step by Step and work your way through it, you will come to a screen that lists forms that are not yet available and when they are expected to be available. The availability date for Schedule A which is where medical expenses are entered is 1/17/18. The IRS has not yet completed final versions of many of the forms in the tax return. Until those forms are finalized and TurboTax implements them into the program and gets the IRS approval for the implementation, the program will not be finalized.
