ICD-10-CM > C00-D49 > D10-D36 > D31 > D31.9 D31.9 Benign neoplasm of unspecified part of eye Non-Billable/Non-Specific Applicable To Benign neoplasm of eyeball Codes D31.90Benign neoplasm of unspecified part of unspecified eyeD31.91Benign neoplasm of unspecified part of right eyeD31.92Benign neoplasm of unspecified part of left eye