ICD-10-CM > H00-H59 > H00-H05 > H05 > H05.0 > H05.04 H05.04 Tenonitis of orbit Non-Billable/Non-Specific Codes H05.041Tenonitis of right orbitH05.042Tenonitis of left orbitH05.043Tenonitis of bilateral orbitsH05.049Tenonitis of unspecified orbit