Retirement tax questions

A code J indicated it is a Roth distribution and the Roth owner is under age 59 1/2.    It does not indicate the year - the 2017 1099-R indicated the year.

Is there a 2nd code besides the J in box 7 like a JP?
**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.**