All ICD10 Codes

DRG 189

Medical DRG

Pulmonary Edema and Respiratory Failure

TypeMedicalMDC04Dx Codes22

What is MS-DRG 189?

MS-DRG 189 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 04 (MDC 04). It maps to 22 ICD-10-CM diagnosis codes. For FY 2026 it carries a relative weight of 1.2354 with a geometric mean length of stay of 3.5 days and an arithmetic mean of 4.7 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

Classification
Medical DRG
Diagnosis-driven grouping
MDC
Major Diagnostic Category 04
Linked Codes
22 diagnosis
Billable Dx
100%
22 of 22 shown

FY 2026 Payment Data

Official values from Table 5 of the FY 2026 IPPS Final Rule (CMS).

Relative Weight
1.2354
Payment multiplier vs. average case (1.0)
Geometric Mean LOS
3.5 days
Used for transfer payment calculations
Arithmetic Mean LOS
4.7 days
Average length of stay
Post-Acute Transfer
No
Not subject to the transfer policy

Linked ICD-10-CM Diagnosis Mappings

  • J18.2

    Hypostatic pneumonia, unspecified organism

    BillableChapter 10
  • J68.1

    Pulmonary edema due to chemicals, gases, fumes and vapors

    BillableChapter 10
  • J80

    Acute respiratory distress syndrome

    BillableChapter 10
  • J81.0

    Acute pulmonary edema

    BillableChapter 10
  • J81.1

    Chronic pulmonary edema

    BillableChapter 10
  • J95.1

    Acute pulmonary insufficiency following thoracic surgery

    BillableChapter 10
  • J95.2

    Acute pulmonary insufficiency following nonthoracic surgery

    BillableChapter 10
  • J95.3

    Chronic pulmonary insufficiency following surgery

    BillableChapter 10
  • J95.821

    Acute postprocedural respiratory failure

    BillableChapter 10
  • J95.822

    Acute and chronic postprocedural respiratory failure

    BillableChapter 10
  • J96.00

    Acute respiratory failure, unspecified whether with hypoxia or hypercapnia

    BillableChapter 10
  • J96.01

    Acute respiratory failure with hypoxia

    BillableChapter 10
  • J96.02

    Acute respiratory failure with hypercapnia

    BillableChapter 10
  • J96.10

    Chronic respiratory failure, unspecified whether with hypoxia or hypercapnia

    BillableChapter 10
  • J96.11

    Chronic respiratory failure with hypoxia

    BillableChapter 10
  • J96.12

    Chronic respiratory failure with hypercapnia

    BillableChapter 10
  • J96.20

    Acute and chronic respiratory failure, unspecified whether with hypoxia or hypercapnia

    BillableChapter 10
  • J96.21

    Acute and chronic respiratory failure with hypoxia

    BillableChapter 10
  • J96.22

    Acute and chronic respiratory failure with hypercapnia

    BillableChapter 10
  • J96.90

    Respiratory failure, unspecified, unspecified whether with hypoxia or hypercapnia

    BillableChapter 10
  • J96.91

    Respiratory failure, unspecified with hypoxia

    BillableChapter 10
  • J96.92

    Respiratory failure, unspecified with hypercapnia

    BillableChapter 10