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MS-DRG v44.0 · MDC 20: Alcohol/Drug Use and Alcohol/Drug Induced Organic Mental Disorders

894 — Alcohol, Drug Abuse or Dependence, Left AMA

Source: CMS MS-DRG v44.0 and FY2027 IPPS final rule. Page updated September 29, 2026.
Relative weight
0.6275
Geometric mean LOS
2 days
Arithmetic mean LOS
2.7 days
Type
Medical

About MS-DRG 894

MS-DRG 894, Alcohol, Drug Abuse or Dependence, Left AMA, is a medical DRG in MDC 20 (Alcohol/Drug Use and Alcohol/Drug Induced Organic Mental Disorders) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.

Its FY2027 relative weight is 0.6275, so Medicare's base payment for this DRG is about 0.63 times the average inpatient case (below average), before hospital-specific adjustments. The geometric mean length of stay is 2 days and the arithmetic mean is 2.7 days.

457 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 894 (457)

Chapter 5: Mental, Behavioral and Neurodevelopmental disorders

Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

Common questions about DRG 894

What is the relative weight of DRG 894?

0.6275 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.

What is the average length of stay for DRG 894?

The geometric mean length of stay is 2 days; the arithmetic mean is 2.7 days.

Is DRG 894 medical or surgical?

DRG 894 is a medical DRG.