StacksVerified U.S. regulatory reference

21 CFR §864.5240

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Identification. An automated blood cell diluting apparatus is a fully automated or semi-automated device used to make appropriate dilutions of a blood sample for further testing.
  2. (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.