A latest MRI
scan of the full spine is required to know the extant of injury
and current status of intervertebral disc;spacing ;compression on nerves etc.
AS a psychatrist I analyse your symptoms as following
It is sympathetic representation of right hand injury on to left hand Such a phenomenona is more commonly seen in eyes disease.The details of your accident is not avilable but it occurring during micturition stage may have to do some thing psychologically with your accident ; type of accident; posture in which you were at time of accideny etc.
If MRI scan is normal and Neurologist
can not explain symptom on basis of MRI findings and neurological examination please get in touch with a counselor for help
Get well soon