title: Changing diagnosis codes.
mesh_terms: D000574:American Medical Association; D003933:Diagnosis; D004194:Disease / Q000145:classification*; D004469:Economics, Hospital; D001330:Electronic Data Processing; D007343:Insurance Carriers / Q000191:economics; D007349:Insurance, Health, Reimbursement; D008484:Medicaid / Q000191:economics; D008499:Medical Records; D009626:Terminology as Topic; D014481:United States; D014483:United States Dept. of Health and Human Services