Intervertebral Disc Disease, also known as lumbar disc disease, is related to back pain and degenerative disc disease, and has symptoms including sciatica An important gene associated with Intervertebral Disc Disease is COL9A3 (Collagen Type IX Alpha 3 Chain), and among its related pathways/superpathways are Signal Transduction and Phospholipase-C Pathway. The drugs Oxycodone and Dopamine have been mentioned in the context of this disorder. Affiliated tissues include spinal cord and bone, and related phenotypes are limbs/digits/tail and hearing/vestibular/ear