ICD-10-CM > H00-H59 > H10-H11 > H11 > H11.4 > H11.43 H11.43 Conjunctival hyperemia Non-Billable/Non-Specific Codes H11.431Conjunctival hyperemia, right eyeH11.432Conjunctival hyperemia, left eyeH11.433Conjunctival hyperemia, bilateralH11.439Conjunctival hyperemia, unspecified eye