089 MS-DRG: CONCUSSION WITH CC
MS-DRG 089 groups Medicare inpatient hospital stays for: CONCUSSION 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 current fiscal year's IPPS Final Rule.
| Major Diagnostic Category | MDC 01 — Diseases and Disorders of the Nervous System |
| DRG Type | Medical |
| Severity Level | CC |
| Relative Weight | 1.0986 |
| Relative Weight (10% Cap Applied) | 1.0986 |
| Geometric Mean Length of Stay | 2.5 days |
| Arithmetic Mean Length of Stay | 3.3 days |
| Post-Acute Transfer DRG | No |
| Special Pay Transfer DRG | No |
Defining Codes (FY2026)
4 diagnosis codes can drive assignment here: S06.0X0A, S06.0X1A, S06.0X9A, S06.0XAA.
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 089 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 · FY2026
Defining diagnoses
- S06.0X0A — Concussion without loss of consciousness, initial encounter[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
- S06.0X1A — Concussion with loss of consciousness of 30 minutes or less, initial encounter[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
- S06.0X9A — Concussion with loss of consciousness of unspecified duration, initial encounter[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
- S06.0XAA — Concussion with loss of consciousness status unknown, initial encounter[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
DRG family
- DRG 088 — CONCUSSION WITH MCC[DRG family]: “CONCUSSION WITH MCC — same CMS DRG family (088-090), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 088-090) · FY2026
- DRG 090 — CONCUSSION WITHOUT CC/MCC[DRG family]: “CONCUSSION WITHOUT CC/MCC — same CMS DRG family (088-090), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 088-090) · FY2026
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 — v43. All data sources · How to read the labels