Body aches all over for passed week .stomach feels fine .passing water fine?

Likely not serious: Assuming your aches are not due to muscle strain from exercise, there are other possible causes: a self limited viral illness, auto-immune disorders, viral or other myositis(usually with accompanying muscle weakness) and a number of other possibilities. Given the lack of other symptoms it's likely transient and not serious. However,if it persists or other symptoms develop>needs careful evaluation