427
MULTIPLE LEVEL COMBINED ANTERIOR AND POSTERIOR SPINAL FUSION EXCEPT CERVICAL WITH CC
MS-DRG 427 groups Medicare inpatient hospital stays for: MULTIPLE LEVEL COMBINED ANTERIOR AND POSTERIOR SPINAL FUSION EXCEPT CERVICAL WITH CC. This is a surgical MS-DRG. It falls under MDC 08 (Diseases and Disorders of the Musculoskeletal System and Connective Tissue).
Payment & Classification Data
Official CMS values from the current fiscal year's IPPS Final Rule.
| Major Diagnostic Category | MDC 08 — Diseases and Disorders of the Musculoskeletal System and Connective Tissue |
| DRG Type | Surgical |
| Severity Level | CC |
| Relative Weight | 7.2186 |
| Relative Weight (10% Cap Applied) | 7.2186 |
| Geometric Mean Length of Stay | 4 days |
| Arithmetic Mean Length of Stay | 4.8 days |
| Post-Acute Transfer DRG | Yes |
| Special Pay Transfer DRG | Yes |
Defining Codes (FY2026)
279 procedure codes appear in its surgical logic (Multiple Level Combined Anterior and Posterior Spinal Fusion Except Cervical: 279): 0RG6070, 0RG6071, 0RG607J, 0RG60A0, 0RG60AJ, 0RG60J0, 0RG60J1, 0RG60JJ, 0RG60K0, 0RG60K1, 0RG60KJ, 0RG6370 and 267 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.
Contextual Map
Every relationship of 427 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Major Diagnostic Category
- MDC 08 — Diseases and Disorders of the Musculoskeletal System and Connective Tissue [MDC]
Defining procedures (279)
- 0RG6070 — Fusion of Thoracic Vertebral Joint with Autologous Tissue Substitute, Anterior Approach, Anterior Column, Open Approach [Grouper procedure]
- 0RG6071 — Fusion of Thoracic Vertebral Joint with Autologous Tissue Substitute, Posterior Approach, Posterior Column, Open Approach [Grouper procedure]
- 0RG607J — Fusion of Thoracic Vertebral Joint with Autologous Tissue Substitute, Posterior Approach, Anterior Column, Open Approach [Grouper procedure]
- 0RG60A0 — Fusion of Thoracic Vertebral Joint with Interbody Fusion Device, Anterior Approach, Anterior Column, Open Approach [Grouper procedure]
- 0RG60AJ — Fusion of Thoracic Vertebral Joint with Interbody Fusion Device, Posterior Approach, Anterior Column, Open Approach [Grouper procedure]
- 0RG60J0 — Fusion of Thoracic Vertebral Joint with Synthetic Substitute, Anterior Approach, Anterior Column, Open Approach [Grouper procedure]
- 0RG60J1 — Fusion of Thoracic Vertebral Joint with Synthetic Substitute, Posterior Approach, Posterior Column, Open Approach [Grouper procedure]
- 0RG60JJ — Fusion of Thoracic Vertebral Joint with Synthetic Substitute, Posterior Approach, Anterior Column, Open Approach [Grouper procedure]
- and 271 more
DRG family
- DRG 426 — MULTIPLE LEVEL COMBINED ANTERIOR AND POSTERIOR SPINAL FUSION EXCEPT CERVICAL WITH MCC OR CUSTOM-MADE ANATOMICALLY DESIGNED INTERBODY FUSION DEVICE [DRG family]: “MULTIPLE LEVEL COMBINED ANTERIOR AND POSTERIOR SPINAL FUSION EXCEPT CERVICAL WITH MCC OR CUSTOM-MADE ANATOMICALLY DESIGNED INTERBODY FUSION DEVICE — same CMS DRG family (426-428), split by severity.”
- DRG 428 — MULTIPLE LEVEL COMBINED ANTERIOR AND POSTERIOR SPINAL FUSION EXCEPT CERVICAL WITHOUT CC/MCC [DRG family]: “MULTIPLE LEVEL COMBINED ANTERIOR AND POSTERIOR SPINAL FUSION EXCEPT CERVICAL WITHOUT CC/MCC — same CMS DRG family (426-428), split by severity.”