21 C.F.R. § 864.7425 Carboxyhemoglobin assay.
Title 21 - Food and Drugs
(a) Identification. A carboxyhemoglobin assay is a device used to determine the carboxyhemoglobin (the compound formed when hemoglobin is exposed to carbon monoxide) content of human blood as an aid in the diagnosis of carbon monoxide poisoning. This measurement may be made using methods such as spectroscopy, colorimetry, spectrophotometry, and gasometry. (b) Classification. Class II (performance standards). [45 FR 60619, Sept. 12, 1980]
Title 21: Food and Drugs
PART 864—HEMATOLOGY AND PATHOLOGY DEVICES
Subpart H—Hematology Kits and Packages
§ 864.7425 Carboxyhemoglobin assay.
