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MS-DRG v44.0 · MDC 21: Injuries, Poisonings and Toxic Effects of Drugs

919 — Complications of Treatment with MCC

Relative weight
1.763
Geometric mean LOS
4.1 days
Arithmetic mean LOS
5.8 days
Type
Medical

About MS-DRG 919

MS-DRG 919, Complications of Treatment with MCC, is a medical DRG in MDC 21 (Injuries, Poisonings and Toxic Effects of Drugs) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.

Its FY2027 relative weight is 1.763, so Medicare's base payment for this DRG is about 1.76 times the average inpatient case, before hospital-specific adjustments. The geometric mean length of stay is 4.1 days and the arithmetic mean is 5.8 days.

It belongs to a 3-level severity family: DRG 919 (with MCC, weight 1.763), DRG 920 (with CC, weight 0.9975) and DRG 921 (without CC/MCC, weight 0.6722). The highest-severity level carries 2.6 times the weight of the lowest, which is why documenting CC and MCC conditions matters.

338 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 919 (338)

Chapter 2: Neoplasms

Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

Chapter 4: Endocrine, nutritional and metabolic diseases

Chapter 6: Diseases of the nervous system

Chapter 7: Diseases of the eye and adnexa

Chapter 8: Diseases of the ear and mastoid process

Chapter 9: Diseases of the circulatory system

Chapter 10: Diseases of the respiratory system

Chapter 11: Diseases of the digestive system

Chapter 12: Diseases of the skin and subcutaneous tissue

Chapter 13: Diseases of the musculoskeletal system and connective tissue

Chapter 14: Diseases of the genitourinary system

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

Common questions about DRG 919

What is the relative weight of DRG 919?

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

What is the average length of stay for DRG 919?

The geometric mean length of stay is 4.1 days; the arithmetic mean is 5.8 days.

Is DRG 919 medical or surgical?

DRG 919 is a medical DRG.