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 377.75 Cortical blindness View the most recent version of ICD-9-CM 377.75 Total loss of vision in all or part of the visual field due to bilateral OCCIPITAL LOBE (i.e., VISUAL CORTEX) damage or dysfunction. Anton syndrome is characterized by the psychic denial of true, organic cortical blindness. 377.75 is a specific code that can be used to specify a diagnosis 377.75 contains 2 index entries View the ICD-9-CM Volume 1 377.* hierarchy  Index entries containing 377.75: Blindness (acquired) (congenital) (both eyes) 369.00 cortical 377.75 Cortical - see also condition blindness 377.75