title: Accuracy of international classification of diseases, ninth revision, clinical modification billing codes for common ophthalmic conditions.
authors.forename: Kelly W
authors.initials: KW
authors.lastname: Muir
authors.forename: Chirag
authors.initials: C
authors.lastname: Gupta
authors.forename: Prakriti
authors.initials: P
authors.lastname: Gill
authors.forename: Joshua D
authors.initials: JD
authors.lastname: Stein
mesh_terms: D000046:Academic Medical Centers; D002386:Cataract / Q000191:economics; D059019:Clinical Coding; D003930:Diabetic Retinopathy / Q000191:economics; D005128:Eye Diseases / Q000191:economics*; D057092:Geographic Atrophy / Q000191:economics; D005902:Glaucoma, Open-Angle / Q000191:economics; D017722:Hospital Charges; D006801:Humans; D007344:Insurance Claim Reporting / Q000592:standards*; D038801:International Classification of Diseases / Q000592:standards*; D016347:Medical Records Systems, Computerized / Q000145:classification; D009798:Ocular Hypertension / Q000191:economics; D015203:Reproducibility of Results