Section 864.5240 - Automated blood cell diluting apparatus(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.(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 60596, Sept. 12, 1980, as amended at 65 FR 2310 , Jan. 14, 2000