DRG 173

Surgical DRG

Ultrasound Accelerated and Other Thrombolysis with Principal Diagnosis Pulmonary Embolism

TypeSurgicalMDC04Dx Codes13

What is MS-DRG 173?

MS-DRG 173 is a Surgical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 04 (MDC 04). It maps to 13 ICD-10-CM diagnosis codes. For FY 2026 it carries a relative weight of 2.9764 with a geometric mean length of stay of 3.8 days and an arithmetic mean of 4.6 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

Classification
Surgical DRG
Procedure-driven grouping
Linked Codes
13 diagnosis
10 procedure
Billable Dx
100%
13 of 13 shown

FY 2026 Payment Data

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

Relative Weight
2.9764
Payment multiplier vs. average case (1.0)
Geometric Mean LOS
3.8 days
Used for transfer payment calculations
Arithmetic Mean LOS
4.6 days
Average length of stay
Post-Acute Transfer
No
Not subject to the transfer policy

Linked ICD-10-PCS Procedure Mappings

  • 02FP3Z0

    Fragmentation of Pulmonary Trunk, Percutaneous Approach, Ultrasonic

    BillableSection 0
  • 02FP3ZZ

    Fragmentation of Pulmonary Trunk, Percutaneous Approach

    BillableSection 0
  • 02FQ3Z0

    Fragmentation of Right Pulmonary Artery, Percutaneous Approach, Ultrasonic

    BillableSection 0
  • 02FQ3ZZ

    Fragmentation of Right Pulmonary Artery, Percutaneous Approach

    BillableSection 0
  • 02FR3Z0

    Fragmentation of Left Pulmonary Artery, Percutaneous Approach, Ultrasonic

    BillableSection 0
  • 02FR3ZZ

    Fragmentation of Left Pulmonary Artery, Percutaneous Approach

    BillableSection 0
  • 02FS3Z0

    Fragmentation of Right Pulmonary Vein, Percutaneous Approach, Ultrasonic

    BillableSection 0
  • 02FS3ZZ

    Fragmentation of Right Pulmonary Vein, Percutaneous Approach

    BillableSection 0
  • 02FT3Z0

    Fragmentation of Left Pulmonary Vein, Percutaneous Approach, Ultrasonic

    BillableSection 0
  • 02FT3ZZ

    Fragmentation of Left Pulmonary Vein, Percutaneous Approach

    BillableSection 0

Linked ICD-10-CM Diagnosis Mappings

  • I26.01

    Septic pulmonary embolism with acute cor pulmonale

    BillableChapter 9
  • I26.02

    Saddle embolus of pulmonary artery with acute cor pulmonale

    BillableChapter 9
  • I26.03

    Cement embolism of pulmonary artery with acute cor pulmonale

    BillableChapter 9
  • I26.04

    Fat embolism of pulmonary artery with acute cor pulmonale

    BillableChapter 9
  • I26.09

    Other pulmonary embolism with acute cor pulmonale

    BillableChapter 9
  • I26.90

    Septic pulmonary embolism without acute cor pulmonale

    BillableChapter 9
  • I26.92

    Saddle embolus of pulmonary artery without acute cor pulmonale

    BillableChapter 9
  • I26.93

    Single subsegmental thrombotic pulmonary embolism without acute cor pulmonale

    BillableChapter 9
  • I26.94

    Multiple subsegmental thrombotic pulmonary emboli without acute cor pulmonale

    BillableChapter 9
  • I26.95

    Cement embolism of pulmonary artery without acute cor pulmonale

    BillableChapter 9
  • I26.96

    Fat embolism of pulmonary artery without acute cor pulmonale

    BillableChapter 9
  • I26.99

    Other pulmonary embolism without acute cor pulmonale

    BillableChapter 9
  • I27.82

    Chronic pulmonary embolism

    BillableChapter 9