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(a)Identification. A Cohn fraction IV immunological test system is a device that consists of or measures that fraction of plasma proteins, predominantlyalpha- andbeta- globulins, used as a raw material for the production of purealpha- orbeta- globulins. Measurement of specificalpha- orbeta- globulins aids in the diagnosis of many diseases, such as Wilson's disease (an inherited disease affecting the liver and brain), Tangier's disease (absence ofalpha- 1-lipoprotein), malnutrition, iron deficiency anemia, red blood cell disorders, and kidney disease. (b)Classification. Class I (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in 866.9. [47 FR 50823, Nov. 9, 1982; 47 FR 56846, Dec. 21, 1982, as amended at 59 FR 63007, Dec. 7, 1994; 66 FR 38793, July 25, 2001]
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