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 > Visual Disturbances 368.* > 2006 ICD-9-CM Diagnosis 368.40 Visual field defect unspecified View the most recent version of ICD-9-CM 368.40 A localized defect in the visual field bordered by an area of normal vision. This occurs with a variety of EYE DISEASES (e.g., RETINAL DISEASES and GLAUCOMA); OPTIC NERVE DISEASES, and other conditions. 368.40 is a specific code that can be used to specify a diagnosis 368.40 contains 3 index entries View the ICD-9-CM Volume 1 368.* hierarchy  Index entries containing 368.40: Defect, defective 759.9 visual field 368.40 arcuate 368.43 heteronymous, bilateral 368.47 homonymous, bilateral 368.46 localized NEC 368.44 nasal step 368.44 peripheral 368.44 sector 368.43 Depression 311 visual field 368.40 Vision, visual field, limitation 368.40