This is an inherited annuity. The code 4 indicates that you are receiving distributions as beneficiary of your mother. TurboTax is asking about the age your mother would have been had she lived. However, this question is unnecessary because the insurance company determines the necessary amount to distribute to satisfy distribution requirements. The distributions are also not eligible for rollover, so there is no need for TurboTax to know how much is RMD; all of it is considered to be RMD.
