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 377.21 Drusen of optic disc View the most recent version of ICD-9-CM 377.21 Optic disk bodies composed primarily of acid mucopolysaccharides that may produce pseudopapilledema (elevation of the optic disk without associated INTRACRANIAL HYPERTENSION) and visual field deficits. Drusen may also occur in the retina (see RETINAL DRUSEN). 377.21 is a specific code that can be used to specify a diagnosis 377.21 contains 2 index entries View the ICD-9-CM Volume 1 377.* hierarchy  Index entries containing 377.21: Body, bodies drusen (retina) (see also Drusen) 362.57 optic disc 377.21 Drusen optic disc or papilla 377.21