DRG 470 – Major Joint Replacements or Reattachment of Lower Extremity. Major joint replacement or reattachment of the lower extremity (DRG 470) is Medicare’s top volume Medicare Severity (MS) – Diagnosis Related Group (DRG)s.

What is included in DRG 470?

470 MAJOR HIP AND KNEE JOINT REPLACEMENT OR REATTACHMENT OF LOWER EXTREMITY WITHOUT MCC – Medicare Severity Diagnosis Related Group.

What is MS-DRG 469?

469 MAJOR HIP AND KNEE JOINT REPLACEMENT OR REATTACHMENT OF LOWER EXTREMITY WITH MCC OR TOTAL ANKLE REPLACEMENT.