Actually a CSA 1099-R for an OPM retirement, box 5 is NOT your prior contributions, that amount is in box 9b.
Box 5 reports health insurance premiums paid from your pension.
If OPM put it in the wrong box then contact OPM.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
