MS-DRG v44.0 · MDC 03: Diseases and Disorders of the Ear, Nose, Mouth and Throat
149 — Dysequilibrium
- Relative weight
- 0.7527
- Geometric mean LOS
- 1.9 days
- Arithmetic mean LOS
- 2.4 days
- Type
- Medical
About MS-DRG 149
MS-DRG 149, Dysequilibrium, is a medical DRG in MDC 03 (Diseases and Disorders of the Ear, Nose, Mouth and Throat) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.
Its FY2027 relative weight is 0.7527, so Medicare's base payment for this DRG is about 0.75 times the average inpatient case (below average), before hospital-specific adjustments. The geometric mean length of stay is 1.9 days and the arithmetic mean is 2.4 days.
51 ICD-10-CM diagnosis codes are part of this DRG's grouping logic; they are listed below.
ICD-10-CM codes that group to DRG 149 (51)
Chapter 8: Diseases of the ear and mastoid process
- 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
Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Chapter 19: Injury, poisoning and certain other consequences of external causes
Common questions about DRG 149
What is the relative weight of DRG 149?
- 0.7527 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.
What is the average length of stay for DRG 149?
- The geometric mean length of stay is 1.9 days; the arithmetic mean is 2.4 days.
Is DRG 149 medical or surgical?
- DRG 149 is a medical DRG.