The importance of coding presenting symptoms.
D000293:Adolescent; D000328:Adult; D000368:Aged; D003933:Diagnosis; D003937:Diagnosis, Differential; D001330:Electronic Data Processing; D006801:Humans; D007256:Information Systems; D008499:Medical Records; D008875:Middle Aged; D009864:Ontario; D010044:Outpatient Clinics, Hospital