2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Disorders Of The Eye And Adnexa 360-379 > Disorders Of Optic Nerve And Visual Pathways 377.* > 2006 ICD-9-CM Diagnosis 377.30 Optic neuritis unspecified View the most recent version of ICD-9-CM 377.30 Inflammation of the optic nerve. Commonly associated conditions include autoimmune disorders such as MULTIPLE SCLEROSIS, infections, and granulomatous diseases. Clinical features include retro-orbital pain that is aggravated by eye movement, loss of color vision, and contrast sensitivity that may progress to severe visual loss, an afferent pupillary defect (Marcus-Gunn pupil), and in some instances optic disc hyperemia and swelling. Inflammation may occur in the portion of the nerve within the globe (neuropapillitis or anterior optic neuritis) or the portion behind the globe (retrobulbar neuritis or posterior optic neuritis). 377.30 is a specific code that can be used to specify a diagnosis 377.30 contains 5 index entries View the ICD-9-CM Volume 1 377.* hierarchy  Index entries containing 377.30: Inflammation, inflamed, inflammatory (with exudation) optic nerve 377.30 Neuralgia, neuralgic (acute) (see also Neuritis) 729.2 ophthalmic 377.30 postherpetic 053.19 optic (nerve) 377.30 Neuritis (see also Neuralgia) 729.2 cranial nerve - see also Disorder, nerve, cranial second or optic 377.30 optic (nerve) 377.30 in myelitis 341.0 meningococcal 036.81