{"data":{"id":"us/21-cfr-864.9185","jurisdiction":"us","citation":"21 CFR 864.9185","heading":"Blood grouping view box.","body":"(a) Identification. A blood grouping view box is a device with a glass or plastic viewing surface, which may be illuminated and heated, that is used to view cell reactions in antigen-antibody testing.\n(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.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER H—MEDICAL DEVICES","PART 864—HEMATOLOGY AND PATHOLOGY DEVICES","Subpart J—Products Used In Establishments That Manufacture Blood and Blood Products"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"968d52e140154412f1f37f3313f75a8af1c5302e74649cf7019466137cbf5b0a","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-864.9175","next":"us/21-cfr-864.9195"},"notice":"GroundRules: Original legal text. Not legal advice."}