L4-L5 means the fourth and fifth Lumbar vertebrae   

Degenerative disk means the cushioning disks between vertebrae are degenerating, falling apart, breaking down

Facet arthroplasty meansva disease or abnormality of the spinal facet joints.

No ossious abnormalities meabs no clacified bobe growths or spur

Basically youve hot really bad progressive spinal issues, osteo arthritis very likely.   … Read more