Explanation

A lab may test your urine for the presence of glucose and ketones( Both are forms of sugar)  If either is present in the urine,

Urine of a diabetes patient 

Diabetes can cause cloudy urine when too much sugar builds up in your urine.

Your urine may also smell sweet or fruity.

Diabetes canals lead to kidney complications or increase risk of infections of the urinary tract, both of which can also make your urine appear cloudy.