093 MS-DRG: OTHER DISORDERS OF NERVOUS SYSTEM WITHOUT CC/MCC
MS-DRG 093 groups Medicare inpatient hospital stays for: OTHER DISORDERS OF NERVOUS SYSTEM WITHOUT CC/MCC. 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 | None |
| Relative Weight | 0.7783 |
| Relative Weight (10% Cap Applied) | 0.7783 |
| Geometric Mean Length of Stay | 2.2 days |
| Arithmetic Mean Length of Stay | 2.7 days |
| Post-Acute Transfer DRG | Yes |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
786 diagnosis codes can drive assignment here: A88.1, B90.0, B91, B94.1, D18.02, F80.81, F95.0, F95.1, F95.2, F95.8, F95.9, G08 and 774 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 093 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 (786)
- A88.1 — Epidemic vertigo[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- B90.0 — Sequelae of central nervous system tuberculosis[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- B91 — Sequelae of poliomyelitis[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- B94.1 — Sequelae of viral encephalitis[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- D18.02 — Hemangioma of intracranial structures[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- F80.81 — Childhood onset fluency disorder[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- F95.0 — Transient tic disorder[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- F95.1 — Chronic motor or vocal tic disorder[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 778 more
DRG family
- DRG 091 — OTHER DISORDERS OF NERVOUS SYSTEM WITH MCC[DRG family]: “OTHER DISORDERS OF NERVOUS SYSTEM WITH MCC — same CMS DRG family (091-093), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 091-093) · FY2027
- DRG 092 — OTHER DISORDERS OF NERVOUS SYSTEM WITH CC[DRG family]: “OTHER DISORDERS OF NERVOUS SYSTEM WITH CC — same CMS DRG family (091-093), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 091-093) · 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