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MS-DRG v44.0 · MDC 19: Mental Diseases and Disorders

886 — Behavioral and Developmental Disorders

Source: CMS MS-DRG v44.0 and FY2027 IPPS final rule. Page updated September 29, 2026.
Relative weight
1.8678
Geometric mean LOS
5.1 days
Arithmetic mean LOS
12 days
Type
Medical

About MS-DRG 886

MS-DRG 886, Behavioral and Developmental Disorders, is a medical DRG in MDC 19 (Mental Diseases and 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 1.8678, so Medicare's base payment for this DRG is about 1.87 times the average inpatient case, before hospital-specific adjustments. The geometric mean length of stay is 5.1 days and the arithmetic mean is 12 days.

46 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 886 (46)

Chapter 5: Mental, Behavioral and Neurodevelopmental disorders

Chapter 8: Diseases of the ear and mastoid process

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

Common questions about DRG 886

What is the relative weight of DRG 886?

1.8678 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.

What is the average length of stay for DRG 886?

The geometric mean length of stay is 5.1 days; the arithmetic mean is 12 days.

Is DRG 886 medical or surgical?

DRG 886 is a medical DRG.