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U.S. Department of Health and Human Services

Radiation-Emitting Products

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What is meant by "cassette/screen identification" in 900.12(c)(5)(vi) and does the type of screen need to be identified on each film?

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The regulations refer to the cassette/screen as a combination, because in today’s mammography practice, the screen is typically supplied by the manufacturer as an integral part of the cassette. Hence, to meet the requirement that the cassette/screen be identified on the patient image, it is sufficient for the facility to identify the cassette alone. This may be done by placing the marker or ID so that it may be imaged on the film. Care should be taken so that the marker does not obscure patient anatomy. ).

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