Add C9/13sus2 to chart?

[Sadashivji]

Hi all,

I'm trying to add this chord to my chart C9/13sus2 but it doesn't seem like I can. Am I missing something?

 

[pdxdjazz]

Hi all,

I'm trying to add this chord to my chart C9/13sus2 but it doesn't seem like I can. Am I missing something?

Why not use C13 ? It implies the 9th (2nd).
)BOB