{"data":{"id":"us/21-cfr-864.1890","jurisdiction":"us","citation":"21 CFR 864.1890","heading":"xxx","body":"","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 B—Biological Stains"],"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":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-864.1880","next":"us/21-cfr-864.2220"},"notice":"GroundRules: Original legal text. Not legal advice."}