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MS-DRG v44.0 · MDC 23: Factors Influencing Health Status and Other Contacts with Health Services

951 — Other Factors Influencing Health Status

Source: CMS MS-DRG v44.0 and FY2027 IPPS final rule. Page updated September 29, 2026.
Relative weight
0.5577
Geometric mean LOS
1.8 days
Arithmetic mean LOS
2.7 days
Type
Medical

About MS-DRG 951

MS-DRG 951, Other Factors Influencing Health Status, is a medical DRG in MDC 23 (Factors Influencing Health Status and Other Contacts with Health Services) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.

Its FY2027 relative weight is 0.5577, so Medicare's base payment for this DRG is about 0.56 times the average inpatient case (below average), before hospital-specific adjustments. The geometric mean length of stay is 1.8 days and the arithmetic mean is 2.7 days.

1,436 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 951 (1,436)

Chapter 5: Mental, Behavioral and Neurodevelopmental disorders

Chapter 10: Diseases of the respiratory system

Chapter 16: Certain conditions originating in the perinatal period

Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders

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

Chapter 19: Injury, poisoning and certain other consequences of external causes

Chapter 22: Codes for special purposes

Chapter 21: Factors influencing health status and contact with health services

Common questions about DRG 951

What is the relative weight of DRG 951?

0.5577 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.

What is the average length of stay for DRG 951?

The geometric mean length of stay is 1.8 days; the arithmetic mean is 2.7 days.

Is DRG 951 medical or surgical?

DRG 951 is a medical DRG.