42 CFR § 476.84 - Changes as a result of DRG validation.

---
identifier: "/us/cfr/t42/s476.84"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "42 CFR § 476.84 - Changes as a result of DRG validation."
title_number: 42
title_name: "Public Health"
section_number: "476.84"
section_name: "Changes as a result of DRG validation."
chapter_name: "CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "F"
subchapter_name: "QUALITY IMPROVEMENT ORGANIZATIONS"
part_number: "476"
part_name: "QUALITY IMPROVEMENT ORGANIZATION REVIEW"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 1302 and 1395hh."
regulatory_source: "44 FR 32081, June 4, 1979, unless otherwise noted. Redesignated at 64 FR 66279, Nov. 24, 1999."
cfr_part: "476"
---


# 476.84 Changes as a result of DRG validation.

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.