ICD-10-CM > H00-H59 > H53-H54 > H53 > H53.1 > H53.13 H53.13 Sudden visual loss Non-Billable/Non-Specific Codes H53.131Sudden visual loss, right eyeH53.132Sudden visual loss, left eyeH53.133Sudden visual loss, bilateralH53.139Sudden visual loss, unspecified eye