I was admitted to hosp. for 9 days......with an uti that went to my kidneys then to my bloodstream. now 5 yrs. later ihave ckd with very low potassi?

Urosepsis: Sounds like you had a serious infection of urosepsis, that required 9 day hospital course. If your renal (kidney) function was returned to normal after your hospitalization, it is tough to say if that event had a profound influence on your current ckd. Be sure you continue to be evaluated by your dr. And even a nephrologist (kidney specialist) to assure your kidney disease is monitored. G luck.