ICD-10-CM > H00-H59 > H49-H52 > H50 > H50.3 H50.3 Intermittent heterotropia Non-Billable/Non-Specific Codes H50.30Unspecified intermittent heterotropiaH50.31Intermittent monocular esotropiaH50.311Intermittent monocular esotropia, right eyeH50.312Intermittent monocular esotropia, left eyeH50.32Intermittent alternating esotropiaH50.33Intermittent monocular exotropiaH50.331Intermittent monocular exotropia, right eyeH50.332Intermittent monocular exotropia, left eyeH50.34Intermittent alternating exotropia