title: Annual ICD-9 update brings new diabetic retinopathy codes.
authors.affiliation: Practice Strategies Section of Optometry--Journal of the American Optometric Association.
authors.forename: Bob
authors.initials: B
authors.lastname: Pieper
mesh_terms: D003930:Diabetic Retinopathy / Q000145:classification* / Q000175:diagnosis; D006801:Humans; D038801:International Classification of Diseases; D012720:Severity of Illness Index