{"data":{"id":"us/42-cfr-485.518","jurisdiction":"us","citation":"42 CFR 485.518","heading":"Condition of participation: Laboratory services.","body":"The REH must provide basic laboratory services essential to the immediate diagnosis and treatment of the patient consistent with nationally recognized standards of care for emergency services, patient population, and services offered. The REH must ensure that—\n(a) Laboratory services are available, either directly or through a contractual agreement with a certified laboratory that meets requirements of part 493 of this chapter.\n(b) Emergency laboratory services are available 24 hours a day.","path":["Title 42—Public Health","CHAPTER IV—CENTERS FOR MEDICARE \u0026 MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER G—STANDARDS AND CERTIFICATION","PART 485—CONDITIONS OF PARTICIPATION: SPECIALIZED PROVIDERS","Subpart E—Conditions of Participation: Rural Emergency Hospitals (REHs)"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-42.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:11Z","sha256":"b221ee8aac224acf385ff85db1fef6e24bd274f2f62618fe471278997606f159","source_id":"us-cfr","stale":true,"prev":"us/42-cfr-485.516","next":"us/42-cfr-485.520"},"notice":"GroundRules: Original legal text. Not legal advice."}