ICD-10-CM > C00-D49 > C69-C72 > C69 > C69.2 C69.2 Malignant neoplasm of retina Non-Billable/Non-Specific Type 1 Excludes dark area on retina (D49.81)neoplasm of unspecified behavior of retina and choroid (D49.81)retinal freckle (D49.81) Codes C69.20Malignant neoplasm of unspecified retinaC69.21Malignant neoplasm of right retinaC69.22Malignant neoplasm of left retina