I assume that this was not a section 1035 exchange into a different contract. The taxable amount is taxable as ordinary income. (An annuity is not a capital investment.) The Form 1099-R will have the gross distribution amount in box 1, the taxable amount in box 2a and the amount of the investment in the contract in box 5. The codes in box 7 will be 7D or 1D depending on your age at the time of the distribution. Entering this Form 1099-R will cause TurboTax to include the gross amount on Form 1040 line 5a and the taxable amount on line 5b. If you were under age 59½ resulting in the distribution codes being 1 and D, you'll also have a 10% early-distribution penalty on the taxable amount, calculated on Form 5329.
