21 C.F.R. § 862.1570 Phosphohexose isomerase test system.
Title 21 - Food and Drugs
(a) Identification. A phosphohexose isomerase test system is a device intended to measure the activity of the enzyme phosphohexose isomerase in serum. Measurements of phosphohexose isomerase are used in the diagnosis and treatment of muscle diseases such as muscular dystrophy, liver diseases such as hepatitis or cirrhosis, and metastatic carcinoma. (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 §862.9. [52 FR 16122, May 1, 1987, as amended at 65 FR 2307, Jan. 14, 2000]
Title 21: Food and Drugs
PART 862—CLINICAL CHEMISTRY AND CLINICAL TOXICOLOGY DEVICES
Subpart B—Clinical Chemistry Test Systems
§ 862.1570 Phosphohexose isomerase test system.

