H10.4Non-Billable (Header)Chronic conjunctivitisChild CodesH10.40Unspecified chronic conjunctivitisH10.41Chronic giant papillary conjunctivitisH10.42Simple chronic conjunctivitisH10.43Chronic follicular conjunctivitisH10.44Vernal conjunctivitisH10.45Other chronic allergic conjunctivitisCode Hierarchy└H10Conjunctivitis└H10.4Chronic conjunctivitis└H10.4Chronic conjunctivitis