MS-DRG 149Medical
Dysequilibrium
Major Diagnostic Category 03·Grouped by diagnosis·FY 2027
MS-DRG 149 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 03 (MDC 03). It maps to 51 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 0.7527 with a geometric mean length of stay of 1.9 days and an arithmetic mean of 2.4 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.
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FY 2027 payment data
From Table 5 of the FY 2027 IPPS Final Rule (CMS).
- Relative weight:
- 0.7527 (payment multiplier vs. the average case (1.0))
- Geometric mean stay:
- 1.9 days (used for transfer payments)
- Average stay:
- 2.4 days (arithmetic mean)
- Post-acute transfer policy:
- No (not subject to it)
Diagnosis codes (51)
As the principal diagnosis, these ICD-10-CM codes can group to DRG 149. 100% of the codes listed are billable.
- H81.01Meniere's disease, right ear
- H81.02Meniere's disease, left ear
- H81.03Meniere's disease, bilateral
- H81.09Meniere's disease, unspecified ear
- H81.10Benign paroxysmal vertigo, unspecified ear
- H81.11Benign paroxysmal vertigo, right ear
- H81.12Benign paroxysmal vertigo, left ear
- H81.13Benign paroxysmal vertigo, bilateral
- H81.20Vestibular neuronitis, unspecified ear
- H81.21Vestibular neuronitis, right ear
- H81.22Vestibular neuronitis, left ear
- H81.23Vestibular neuronitis, bilateral
- H81.311Aural vertigo, right ear
- H81.312Aural vertigo, left ear
- H81.313Aural vertigo, bilateral
- H81.319Aural vertigo, unspecified ear
- H81.391Other peripheral vertigo, right ear
- H81.392Other peripheral vertigo, left ear
- H81.393Other peripheral vertigo, bilateral
- H81.399Other peripheral vertigo, unspecified ear
- H81.4Vertigo of central origin
- H81.8X1Other disorders of vestibular function, right ear
- H81.8X2Other disorders of vestibular function, left ear
- H81.8X3Other disorders of vestibular function, bilateral
- H81.8X9Other disorders of vestibular function, unspecified ear
- H81.90Unspecified disorder of vestibular function, unspecified ear
- H81.91Unspecified disorder of vestibular function, right ear
- H81.92Unspecified disorder of vestibular function, left ear
- H81.93Unspecified disorder of vestibular function, bilateral
- H82.1Vertiginous syndromes in diseases classified elsewhere, right ear
- H82.2Vertiginous syndromes in diseases classified elsewhere, left ear
- H82.3Vertiginous syndromes in diseases classified elsewhere, bilateral
- H82.9Vertiginous syndromes in diseases classified elsewhere, unspecified ear
- H83.01Labyrinthitis, right ear
- H83.02Labyrinthitis, left ear
- H83.03Labyrinthitis, bilateral
- H83.09Labyrinthitis, unspecified ear
- H83.2X1Labyrinthine dysfunction, right ear
- H83.2X2Labyrinthine dysfunction, left ear
- H83.2X3Labyrinthine dysfunction, bilateral
- H83.2X9Labyrinthine dysfunction, unspecified ear
- H83.8X1Other specified diseases of right inner ear
- H83.8X2Other specified diseases of left inner ear
- H83.8X3Other specified diseases of inner ear, bilateral
- H83.8X9Other specified diseases of inner ear, unspecified ear
- H83.90Unspecified disease of inner ear, unspecified ear
- H83.91Unspecified disease of right inner ear
- H83.92Unspecified disease of left inner ear
- H83.93Unspecified disease of inner ear, bilateral
- R42Dizziness and giddiness
- T75.3XXAMotion sickness, initial encounter
