ICD-10-CM > H00-H59 > H53-H54 > H53 > H53.4 > H53.46 H53.46 Homonymous bilateral field defects Non-Billable/Non-Specific Applicable To Homonymous hemianopiaHomonymous hemianopsiaQuadrant anopiaQuadrant anopsia Codes H53.461Homonymous bilateral field defects, right sideH53.462Homonymous bilateral field defects, left sideH53.469Homonymous bilateral field defects, unspecified side