149 MS-DRG: DYSEQUILIBRIUM
MS-DRG 149 groups Medicare inpatient hospital stays for: DYSEQUILIBRIUM. This is a medical MS-DRG. It falls under MDC 03 (Diseases and Disorders of the Ear, Nose, Mouth and Throat).
Payment & Classification Data
Official CMS values from the FY2027 IPPS Final Rule Table 5.
| Major Diagnostic Category | MDC 03 — Diseases and Disorders of the Ear, Nose, Mouth and Throat |
| DRG Type | Medical |
| Severity Level | N/A |
| Relative Weight | 0.7527 |
| Relative Weight (10% Cap Applied) | 0.7527 |
| Geometric Mean Length of Stay | 1.9 days |
| Arithmetic Mean Length of Stay | 2.4 days |
| Post-Acute Transfer DRG | No |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
51 diagnosis codes can drive assignment here: H81.01, H81.02, H81.03, H81.09, H81.10, H81.11, H81.12, H81.13, H81.20, H81.21, H81.22, H81.23 and 39 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 149 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 03 — Diseases and Disorders of the Ear, Nose, Mouth and Throat[MDC]— CMS MS-DRG Definitions Manual · FY2027
Defining diagnoses (51)
- H81.01 — Ménière's disease, right ear[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- H81.02 — Ménière's disease, left ear[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- H81.03 — Ménière's disease, bilateral[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- H81.09 — Ménière's disease, unspecified ear[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- H81.10 — Benign paroxysmal vertigo, unspecified ear[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- H81.11 — Benign paroxysmal vertigo, right ear[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- H81.12 — Benign paroxysmal vertigo, left ear[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- H81.13 — Benign paroxysmal vertigo, bilateral[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 43 more
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