MS-DRG · FY 2026 v43.0

MS-DRG 208 – Respiratory System Diagnosis with Ventilator Support <=96 Hours

A Medical DRG in MDC 04 (Diseases & Disorders of the Respiratory System). Its FY 2026 relative weight is 2.7487 with a geometric mean length of stay of 4.9 days.

Medical DRG – assigned by principal diagnosis✓ Official CMS v43.0 dataset
2.7487
Relative Weight
4.9
Geometric Mean LOS (days)
7.1
Arithmetic Mean LOS (days)
2
Procedure Codes
How a case is assigned to DRG 208

The grouper first assigns the case to MDC 04 from the principal diagnosis and finds no qualifying operating-room procedure (this is a Medical DRG; ICD-10-PCS codes do not drive assignment here).

ICD-10-CM

Principal Diagnosis Codes

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

Procedure Codes 2 codes · 1 category

5A19 Extracorporeal or Systemic Assistance and Performance, Physiological Systems, Performance2 codes
  • 5A1935Z Respiratory Ventilation, Less than 24 Consecutive Hours
  • 5A1945Z Respiratory Ventilation, 24-96 Consecutive Hours

Frequently Asked Questions

What is MS-DRG 208?

MS-DRG 208 (Respiratory System Diagnosis with Ventilator Support <=96 Hours) is a medical DRG in MDC 04 (Diseases & Disorders of the Respiratory System). Its FY 2026 relative weight is 2.7487 with a geometric mean length of stay of 4.9 days.

What is the relative weight of DRG 208?

The FY 2026 relative weight of this DRG is 2.7487, meaning reimbursement of roughly 2.75 times the average Medicare inpatient case. Multiply by a hospital's blended base rate for the approximate payment.

← PreviousDRG 207 – Respiratory System Diagnosis with Ventilator Support >96
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.