MS-DRG · FY 2026 v43.0

MS-DRG 4 – Tracheostomy with MV >96 Hours or Principal Diagnosis Except Face, Mouth and Neck without Major O.R. Procedures

A Surgical DRG in Pre-MDC (Pre-MDC). Inpatient cases group to DRG 4 when one of the 10 ICD-10-PCS operating-room procedures listed below is reported. Its FY 2026 relative weight is 13.8514 with a geometric mean length of stay of 22.4 days.

Surgical DRG – assigned by operating-room procedure✓ Official CMS v43.0 dataset
13.8514
Relative Weight
22.4
Geometric Mean LOS (days)
28.0
Arithmetic Mean LOS (days)
10
Procedure Codes
How a case is assigned to DRG 4

The grouper first assigns the case to Pre-MDC from the principal diagnosis, then matches a qualifying operating-room procedure from the ICD-10-PCS list below (this is a Surgical DRG).

ICD-10-PCS

Procedure Codes 10 codes · 3 categories

0B11 Respiratory System, Bypass6 codes
  • 0B110F4 Bypass Trachea to Cutaneous with Tracheostomy Device, Open Approach
  • 0B110Z4 Bypass Trachea to Cutaneous, Open Approach
  • 0B113F4 Bypass Trachea to Cutaneous with Tracheostomy Device, Percutaneous Approach
  • 0B113Z4 Bypass Trachea to Cutaneous, Percutaneous Approach
  • 0B114F4 Bypass Trachea to Cutaneous with Tracheostomy Device, Percutaneous Endoscopic Approach
  • 0B114Z4 Bypass Trachea to Cutaneous, Percutaneous Endoscopic Approach
5A15 Extracorporeal or Systemic Assistance and Performance, Physiological Systems, Performance3 codes
  • 5A1522F Extracorporeal Oxygenation, Membrane, Central
  • 5A1522G Extracorporeal Oxygenation, Membrane, Peripheral Veno-arterial
  • 5A1522H Extracorporeal Oxygenation, Membrane, Peripheral Veno-venous
5A19 Extracorporeal or Systemic Assistance and Performance, Physiological Systems, Performance1 code
  • 5A1955Z Respiratory Ventilation, Greater than 96 Consecutive Hours
ICD-10-CM

Qualifying Diagnosis Codes

Diagnosis codes do not drive assignment for this DRG. Cases group here from the ICD-10-PCS procedure list below.

Frequently Asked Questions

What is MS-DRG 4?

MS-DRG 4 (Tracheostomy with MV >96 Hours or Principal Diagnosis Except Face, Mouth and Neck without Major O.R. Procedures) is a surgical DRG in Pre-MDC (Pre-MDC). Its FY 2026 relative weight is 13.8514 with a geometric mean length of stay of 22.4 days.

How many procedure codes group to DRG 4?

10 ICD-10-PCS operating-room procedure codes group to this DRG.

What is the relative weight of DRG 4?

The FY 2026 relative weight of this DRG is 13.8514, meaning reimbursement of roughly 13.85 times the average Medicare inpatient case. Multiply by a hospital's blended base rate for the approximate payment.

← PreviousDRG 3 – ECMO or Tracheostomy with MV >96 Hours or Principal
Source: CMS ICD-10 MS-DRG v43.0 Definitions Manual and the FY 2026 IPPS Final Rule (Table 5), effective October 1, 2025 through September 30, 2026. We publish the DRG assignments as CMS defines them and add the navigation, search, and code links.