505 MS-DRG: FOOT PROCEDURES WITHOUT CC/MCC

Defining Codes (FY2027)

1,057 procedure codes appear in its surgical logic (Foot Procedures: 1,057): 01NG0ZZ, 01NG3ZZ, 01NG4ZZ, 0L8N0ZZ, 0L8N3ZZ, 0L8N4ZZ, 0L8P0ZZ, 0L8P3ZZ, 0L8P4ZZ, 0M5S0ZZ, 0M5S3ZZ, 0M5S4ZZ and 1,045 more.

From the CMS MS-DRG Definitions Manual (Appendices B and E). Assignment also depends on severity, discharge status and the rest of the claim.

Surgical Precedence (FY2027)

Within MDC 08, this DRG ranks 25 of 31 in CMS's surgical-class precedence order. When a claim qualifies for more than one surgical DRG in this MDC, the highest-ranked class applies.

• 1. Extensive or Complex Spinal Fusion Procedures Except Cervical (DRGs 523-525)
• 2. Multiple Level Combined Anterior and Posterior Spinal Fusion Except Cervical (DRGs 426-428)
• 3. Combined Anterior and Posterior Cervical Spinal Fusion (DRGs 429-430)
• 4. Spinal Fusion Except Cervical with Spinal Curvature, Malignancy, or Infection (DRGs 456-458)
• 5. Multiple Level Spinal Fusion Except Cervical (DRGs 447-448)
• 6. Single Level Combined Anterior and Posterior Spinal Fusion Except Cervical (DRGs 402)
• 7. Revision of Hip or Knee Prosthesis (DRGs 449)
• 8. Hip or Knee Procedures with Principal Diagnosis of Periprosthetic Joint Infection (DRGs 403-404)
• 9. Single Level Spinal Fusion Except Cervical (DRGs 450-451)
• 10. Cervical Spinal Fusion (DRGs 471-473)
• 11. Wound Debridement or Skin Graft Except Hand for Musculoskeletal and Connective Tissue Disorders (DRGs 463-465)
• 12. Bilateral or Multiple Major Joint Procedures of Lower Extremity (DRGs 461-462)
• 13. Local Excision and Removal of Internal Fixation Devices of Hip and Femur (DRGs 498-499)
• 14. Major Joint or Limb Reattachment Procedures of Upper Extremities (DRGs 483)
• 15. Amputation for Musculoskeletal System and Connective Tissue Disorders (DRGs 474-476)
• 16. Biopsies of Musculoskeletal System and Connective Tissue (DRGs 477-479)
• 17. Lower Extremity and Humerus Procedures Except Hip, Foot and Femur (DRGs 492-494)
• 18. Hip Replacement with Principal Diagnosis of Hip Fracture (DRGs 521-522)
• 19. Hip and Femur Procedures Except Major Joint (DRGs 480-482)
• 20. Back and Neck Procedures Except Spinal Fusion or Disc Device or Neurostimulator (DRGs 518-520)
• 21. Shoulder, Elbow or Forearm Procedures, Except Major Joint Procedures (DRGs 510-512)
• 22. Major Hip and Knee Joint Replacement or Reattachment of Lower Extremity or Total Ankle Replacement (DRGs 469-470)
• 23. Soft Tissue Procedures (DRGs 500-502)
• 24. Knee Procedures with Principal Diagnosis of Infection (DRGs 400)
• 25. Foot Procedures (DRGs 503-505) — this DRG
• 26. Knee Procedures without Principal Diagnosis of Infection (DRGs 488-489)
• 27. Local Excision and Removal of Internal Fixation Devices Except Hip and Femur (DRGs 495-497)
• 28. Major Shoulder or Elbow Joint Procedures (DRGs 507-508)
• 29. Hand or Wrist Procedures, Except Major Thumb or Joint Procedures (DRGs 513-514)
• 30. Major Thumb or Joint Procedures (DRGs 506)
• 31. Other Musculoskeletal System and Connective Tissue O.R. Procedures (DRGs 515-517)

From the CMS MS-DRG Definitions Manual, Appendix D. Actual DRG assignment depends on the complete claim.