MS-DRG v44.0 · MDC 04: Diseases and Disorders of the Respiratory System
189 — Pulmonary Edema and Respiratory Failure
- Relative weight
- 1.2108
- Geometric mean LOS
- 3.4 days
- Arithmetic mean LOS
- 4.6 days
- Type
- Medical
About MS-DRG 189
MS-DRG 189, Pulmonary Edema and Respiratory Failure, is a medical DRG in MDC 04 (Diseases and Disorders of the Respiratory System) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.
Its FY2027 relative weight is 1.2108, so Medicare's base payment for this DRG is about 1.21 times the average inpatient case, before hospital-specific adjustments. The geometric mean length of stay is 3.4 days and the arithmetic mean is 4.6 days.
22 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 189 (22)
Chapter 10: Diseases of the respiratory system
- J18.2Hypostatic pneumonia, unspecified organism
- J68.1Pulmonary edema due to chemicals, gases, fumes and vapors
- J80Acute respiratory distress syndrome
- J81.0Acute pulmonary edema
- J81.1Chronic pulmonary edema
- J95.1Acute pulmonary insufficiency following thoracic surgery
- J95.2Acute pulmonary insufficiency following nonthoracic surgery
- J95.3Chronic pulmonary insufficiency following surgery
- J95.821Acute postprocedural respiratory failure
- J95.822Acute and chronic postprocedural respiratory failure
- J96.00Acute respiratory failure, unspecified whether with hypoxia or hypercapnia
- J96.01Acute respiratory failure with hypoxia
- J96.02Acute respiratory failure with hypercapnia
- J96.10Chronic respiratory failure, unspecified whether with hypoxia or hypercapnia
- J96.11Chronic respiratory failure with hypoxia
- J96.12Chronic respiratory failure with hypercapnia
- J96.20Acute and chronic respiratory failure, unspecified whether with hypoxia or hypercapnia
- J96.21Acute and chronic respiratory failure with hypoxia
- J96.22Acute and chronic respiratory failure with hypercapnia
- J96.90Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia
- J96.91Respiratory failure, unspecified with hypoxia
- J96.92Respiratory failure, unspecified with hypercapnia
Common questions about DRG 189
What is the relative weight of DRG 189?
- 1.2108 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.
What is the average length of stay for DRG 189?
- The geometric mean length of stay is 3.4 days; the arithmetic mean is 4.6 days.
Is DRG 189 medical or surgical?
- DRG 189 is a medical DRG.