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Screening is the testing for disease or disease precursors in seemingly well individuals so that early detection and treatment can be provided for those who test positive for a disease.
The testing of a person to rule out or confirm a suspected diagnosis because the patient has some sign or symptom is a diagnostic examination, not a screening. In these cases, the sign or symptom is used to explain the test reasoning.
Should a condition be discovered during the screening then the code for the condition may be assigned as an additional diagnosis.
Last Updated June 2015