ICD-10-CM > H00-H59 > H10-H11 > H10 > H10.4 H10.4 Chronic conjunctivitis Non-Billable/Non-Specific Codes H10.40Unspecified chronic conjunctivitisH10.401Unspecified chronic conjunctivitis, right eyeH10.402Unspecified chronic conjunctivitis, left eyeH10.403Unspecified chronic conjunctivitis, bilateralH10.409Unspecified chronic conjunctivitis, unspecified eyeH10.41Chronic giant papillary conjunctivitisH10.411Chronic giant papillary conjunctivitis, right eyeH10.412Chronic giant papillary conjunctivitis, left eyeH10.413Chronic giant papillary conjunctivitis, bilateralH10.419Chronic giant papillary conjunctivitis, unspecified eyeH10.42Simple chronic conjunctivitisH10.421Simple chronic conjunctivitis, right eyeH10.422Simple chronic conjunctivitis, left eyeH10.423Simple chronic conjunctivitis, bilateralH10.429Simple chronic conjunctivitis, unspecified eyeH10.43Chronic follicular conjunctivitisH10.431Chronic follicular conjunctivitis, right eyeH10.432Chronic follicular conjunctivitis, left eyeH10.433Chronic follicular conjunctivitis, bilateralH10.439Chronic follicular conjunctivitis, unspecified eyeH10.44Vernal conjunctivitisH10.45Other chronic allergic conjunctivitis