21 CFR § 864.9320
Copper sulfate solution for specific gravity determinations
June 25, 2020
(a) Identification. A copper sulfate solution for specific gravity determinations is a device used to determine whether the hemoglobin content of a potential donor's blood meets the required level (12.5 grams per 100 milliliters of blood for women and 13.5 grams per 100 milliliters of blood for men).
(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 §864.9.
[45 FR 60647, Sept. 12, 1980, as amended at 65 FR 2310, Jan. 14, 2000]