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Title 21

Displaying title 21, up to date as of 6/10/2026. Title 21 was last amended 6/10/2026.
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§ 864.7360 Erythrocytic glucose-6-phosphate dehydrogenase assay.

(a) Identification. An erythrocytic glucose-6-phosphate dehydrogenase assay is a device used to measure the activity of the enzyme glucose-6-phosphate dehydrogenase or of glucose-6-phosphate dehydrogenase isoenzymes. The results of this assay are used in the diagnosis and treatment of nonspherocytic congenital hemolytic anemia or drug-induced hemolytic anemia associated with a glucose-6-phosphate dehydrogenase deficiency. This generic device includes assays based on fluorescence, electrophoresis, methemoglobin reduction, catalase inhibition, and ultraviolet kinetics.

(b) Classification. Class II (performance standards).

[45 FR 60616, Sept. 12, 1980]