ICD-10-CM > H00-H59 > H15-H22 > H16 > H16.2 > H16.21 H16.21 Exposure keratoconjunctivitis Non-Billable/Non-Specific Codes H16.211Exposure keratoconjunctivitis, right eyeH16.212Exposure keratoconjunctivitis, left eyeH16.213Exposure keratoconjunctivitis, bilateralH16.219Exposure keratoconjunctivitis, unspecified eye