2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Injury And Poisoning 800-999 > Injury To Nerves And Spinal Cord 950-957 > Injury To Optic Nerve And Pathways 950.* > 2008 ICD-9-CM Diagnosis 950.0 Optic nerve injury  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 950.0 can be accessed here. Injuries to the optic nerve induced by a trauma to the face or head. These may occur with closed or penetrating injuries. Relatively minor compression of the superior aspect of orbit may also result in trauma to the optic nerve. Clinical manifestations may include visual loss, PAPILLEDEMA, and an afferent pupillary defect. 950.0 is a specific code that can be used to specify a diagnosis 950.0 contains 3 index entries View the ICD-9-CM Volume 1 950.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 950.0 also known as: Second cranial nerve Index entries containing 950.0: Injury 959.9 nerve 957.9 cranial 951.9 second or optic 950.0 optic 950.0 optic 950.9 nerve 950.0