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MS-DRG v44.0 · MDC 25: Human Immunodeficiency Virus Infections

974 — HIV with Major Related Condition with MCC

Source: CMS MS-DRG v44.0 and FY2027 IPPS final rule. Page updated September 29, 2026.
Relative weight
3.0506
Geometric mean LOS
6.7 days
Arithmetic mean LOS
10 days
Type
Medical

About MS-DRG 974

MS-DRG 974, HIV with Major Related Condition with MCC, is a medical DRG in MDC 25 (Human Immunodeficiency Virus Infections) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.

Its FY2027 relative weight is 3.0506, so Medicare's base payment for this DRG is about 3.05 times the average inpatient case, before hospital-specific adjustments. The geometric mean length of stay is 6.7 days and the arithmetic mean is 10 days.

It belongs to a 3-level severity family: DRG 974 (with MCC, weight 3.0506), DRG 975 (with CC, weight 1.3252) and DRG 976 (without CC/MCC, weight 0.8124). The highest-severity level carries 3.8 times the weight of the lowest, which is why documenting CC and MCC conditions matters.

477 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 974 (477)

Chapter 1: Certain infectious and parasitic diseases

Chapter 2: Neoplasms

Chapter 5: Mental, Behavioral and Neurodevelopmental disorders

Chapter 6: Diseases of the nervous system

Chapter 9: Diseases of the circulatory system

Chapter 10: Diseases of the respiratory system

Chapter 12: Diseases of the skin and subcutaneous tissue

Chapter 22: Codes for special purposes

Common questions about DRG 974

What is the relative weight of DRG 974?

3.0506 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.

What is the average length of stay for DRG 974?

The geometric mean length of stay is 6.7 days; the arithmetic mean is 10 days.

Is DRG 974 medical or surgical?

DRG 974 is a medical DRG.