684 MS-DRG: RENAL FAILURE WITHOUT CC/MCC
MS-DRG 684 groups Medicare inpatient hospital stays for: RENAL FAILURE WITHOUT CC/MCC. This is a medical MS-DRG. It falls under MDC 11 (Diseases and Disorders of the Kidney and Urinary Tract).
Payment & Classification Data
Official CMS values from the FY2027 IPPS Final Rule Table 5.
| Major Diagnostic Category | MDC 11 — Diseases and Disorders of the Kidney and Urinary Tract |
| DRG Type | Medical |
| Severity Level | None |
| Relative Weight | 0.6003 |
| Relative Weight (10% Cap Applied) | 0.6003 |
| Geometric Mean Length of Stay | 2.2 days |
| Arithmetic Mean Length of Stay | 2.6 days |
| Post-Acute Transfer DRG | Yes |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
22 diagnosis codes can drive assignment here: E88.3, I12.0, I12.9, I13.10, I13.11, N17.0, N17.1, N17.2, N17.8, N17.9, N18.1, N18.2 and 10 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 684 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 11 — Diseases and Disorders of the Kidney and Urinary Tract[MDC]— CMS MS-DRG Definitions Manual · FY2027
Defining diagnoses (22)
- E88.3 — Tumor lysis syndrome[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I12.0 — Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I12.9 — Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I13.10 — Hypertensive heart and chronic kidney disease without heart failure, with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I13.11 — Hypertensive heart and chronic kidney disease without heart failure, with stage 5 chronic kidney disease, or end stage renal disease[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- N17.0 — Acute kidney failure with tubular necrosis[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- N17.1 — Acute kidney failure with acute cortical necrosis[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- N17.2 — Acute kidney failure with medullary necrosis[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 14 more
DRG family
- DRG 682 — RENAL FAILURE WITH MCC[DRG family]: “RENAL FAILURE WITH MCC — same CMS DRG family (682-684), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 682-684) · FY2027
- DRG 683 — RENAL FAILURE WITH CC[DRG family]: “RENAL FAILURE WITH CC — same CMS DRG family (682-684), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 682-684) · FY2027
Read from: CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v44. All data sources · How to read the labels