H57.05Non-Billable (Header)Tonic pupilChild CodesH57.051Tonic pupil, right eyeH57.052Tonic pupil, left eyeH57.053Tonic pupil, bilateralH57.059Tonic pupil, unspecified eyeCode Hierarchy└H57Other disorders of eye and adnexa└H57.0Anomalies of pupillary function└H57.05Tonic pupil└H57.05Tonic pupil