059 MS-DRG: MULTIPLE SCLEROSIS AND CEREBELLAR ATAXIA WITH CC
MS-DRG 059 groups Medicare inpatient hospital stays for: MULTIPLE SCLEROSIS AND CEREBELLAR ATAXIA WITH CC. This is a medical MS-DRG. It falls under MDC 01 (Diseases and Disorders of the Nervous System).
Payment & Classification Data
Official CMS values from the FY2027 IPPS Final Rule Table 5.
| Major Diagnostic Category | MDC 01 — Diseases and Disorders of the Nervous System |
| DRG Type | Medical |
| Severity Level | CC |
| Relative Weight | 1.2002 |
| Relative Weight (10% Cap Applied) | 1.2002 |
| Geometric Mean Length of Stay | 3.6 days |
| Arithmetic Mean Length of Stay | 4.6 days |
| Post-Acute Transfer DRG | No |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
31 diagnosis codes can drive assignment here: G11.0, G11.10, G11.11, G11.19, G11.2, G11.3, G11.4, G11.5, G11.6, G11.8, G11.9, G32.81 and 19 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 059 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 01 — Diseases and Disorders of the Nervous System[MDC]— CMS MS-DRG Definitions Manual · FY2027
Defining diagnoses (31)
- G11.0 — Congenital nonprogressive ataxia[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- G11.10 — Early-onset cerebellar ataxia, unspecified[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- G11.11 — Friedreich ataxia[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- G11.19 — Other early-onset cerebellar ataxia[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- G11.2 — Late-onset cerebellar ataxia[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- G11.3 — Cerebellar ataxia with defective DNA repair[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- G11.4 — Hereditary spastic paraplegia[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- G11.5 — Hypomyelination - hypogonadotropic hypogonadism - hypodontia[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 23 more
DRG family
- DRG 058 — MULTIPLE SCLEROSIS AND CEREBELLAR ATAXIA WITH MCC[DRG family]: “MULTIPLE SCLEROSIS AND CEREBELLAR ATAXIA WITH MCC — same CMS DRG family (058-060), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 058-060) · FY2027
- DRG 060 — MULTIPLE SCLEROSIS AND CEREBELLAR ATAXIA WITHOUT CC/MCC[DRG family]: “MULTIPLE SCLEROSIS AND CEREBELLAR ATAXIA WITHOUT CC/MCC — same CMS DRG family (058-060), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 058-060) · 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 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 20, 2026 · All releases and sources