{"data":{"id":"us/42-cfr-476.84","jurisdiction":"us","citation":"42 CFR 476.84","heading":"Changes as a result of DRG validation.","body":"A provider or practitioner may obtain a review by a QIO under part 473 of this chapter for changes in diagnostic and procedural coding that resulted in a change in DRG assignment as a result of QIO validation activities.","path":["Title 42—Public Health","CHAPTER IV—CENTERS FOR MEDICARE \u0026 MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER F—QUALITY IMPROVEMENT ORGANIZATIONS","PART 476—QUALITY IMPROVEMENT ORGANIZATION REVIEW","Subpart C—Review Responsibilities of Quality Improvement Organizations (QIOs)"],"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":"22ab51a3c50dfb4c55ab5858bfb5789a840b3a825888f543064bd98de69482f4","source_id":"us-cfr","stale":true,"prev":"us/42-cfr-476.83","next":"us/42-cfr-476.85"},"notice":"GroundRules: Original legal text. Not legal advice."}