1099R box 7 the code listed is 1D is this 2 codes or 1 code

Yes, you use both codes. 

In TurboTax, there are two drop down entry areas under Box 7 on the Form 1099-R entry screen to accommodate this.

If there are two codes in box 7, such as 1D, choose "1" in the first drop down, and "D" in the second drop down.