694 MS-DRG: URINARY STONES WITHOUT MCC
MS-DRG 694 groups Medicare inpatient hospital stays for: URINARY STONES WITHOUT 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 | 0.7815 |
| Relative Weight (10% Cap Applied) | 0.7815 |
| Geometric Mean Length of Stay | 2.1 days |
| Arithmetic Mean Length of Stay | 2.6 days |
| Post-Acute Transfer DRG | No |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
18 diagnosis codes can drive assignment here: N11.1, N13.0, N13.1, N13.2, N13.30, N13.39, N13.4, N13.8, N20.0, N20.1, N20.2, N20.9 and 6 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 694 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 (18)
- N11.1 — Chronic obstructive pyelonephritis[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- N13.0 — Hydronephrosis with ureteropelvic junction obstruction[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- N13.1 — Hydronephrosis with ureteral stricture, not elsewhere classified[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- N13.2 — Hydronephrosis with renal and ureteral calculous obstruction[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- N13.30 — Unspecified hydronephrosis[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- N13.39 — Other hydronephrosis[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- N13.4 — Hydroureter[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- N13.8 — Other obstructive and reflux uropathy[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 10 more
DRG family
- DRG 693 — URINARY STONES WITH MCC[DRG family]: “URINARY STONES WITH MCC — same CMS DRG family (693-694), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 693-694) · 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 · How MedCoder verifies its implementation
Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources