2008 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.* >  2008 ICD-9-CM Diagnosis 368.46
Homonymous bilateral field defects- Partial or complete loss of vision in one half of the visual field(s) of one or both eyes. Subtypes include altitudinal hemianopsia, characterized by a visual defect above or below the horizontal meridian of the visual field. Homonymous hemianopsia refers to a visual defect that affects both eyes equally, and occurs either to the left or right of the midline of the visual field. Binasal hemianopsia consists of loss of vision in the nasal hemifields of both eyes. Bitemporal hemianopsia is the bilateral loss of vision in the temporal fields. Quadrantanopsia refers to loss of vision in one quarter of the visual field in one or both eyes.
- 368.46 is a specific code that can be used to specify a diagnosis
- 368.46 contains 3 index entries
- View the ICD-9-CM Volume 1 368.* hierarchy
368.46 also known as:- Hemianopsia (altitudinal) (homonymous)
- Quadrant anopia
Index entries containing 368.46:- Anopsia (altitudinal) (quadrant)
 368.46
Defect, defective 759.9- visual field 368.40
- homonymous, bilateral 368.46
Hemianopia, hemianopsia (altitudinal) (homonymous) 368.46
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