176 MS-DRG: PULMONARY EMBOLISM WITHOUT MCC
MS-DRG 176 groups Medicare inpatient hospital stays for: PULMONARY EMBOLISM WITHOUT MCC. This is a medical MS-DRG. It falls under MDC 04 (Diseases and Disorders of the Respiratory System).
Payment & Classification Data
Official CMS values from the FY2027 IPPS Final Rule Table 5.
| Major Diagnostic Category | MDC 04 — Diseases and Disorders of the Respiratory System |
| DRG Type | Medical |
| Severity Level | None |
| Relative Weight | 0.8063 |
| Relative Weight (10% Cap Applied) | 0.8063 |
| Geometric Mean Length of Stay | 2.4 days |
| Arithmetic Mean Length of Stay | 3 days |
| Post-Acute Transfer DRG | Yes |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
16 diagnosis codes can drive assignment here: I26.01, I26.02, I26.03, I26.04, I26.09, I26.90, I26.92, I26.93, I26.94, I26.95, I26.96, I26.99 and 4 more.
From the CMS MS-DRG Definitions Manual (Appendices B and E). Assignment also depends on severity, discharge status and the rest of the claim.
Contextual Map
Every relationship of 176 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Major Diagnostic Category
- MDC 04 — Diseases and Disorders of the Respiratory System[MDC]— CMS MS-DRG Definitions Manual · FY2027
Defining diagnoses (16)
- I26.01 — Septic pulmonary embolism with acute cor pulmonale[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I26.02 — Saddle embolus of pulmonary artery with acute cor pulmonale[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I26.03 — Cement embolism of pulmonary artery with acute cor pulmonale[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I26.04 — Fat embolism of pulmonary artery with acute cor pulmonale[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I26.09 — Other pulmonary embolism with acute cor pulmonale[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I26.90 — Septic pulmonary embolism without acute cor pulmonale[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I26.92 — Saddle embolus of pulmonary artery without acute cor pulmonale[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- I26.93 — Single subsegmental thrombotic pulmonary embolism without acute cor pulmonale[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 8 more
DRG family
- DRG 175 — PULMONARY EMBOLISM WITH MCC OR ACUTE COR PULMONALE[DRG family]: “PULMONARY EMBOLISM WITH MCC OR ACUTE COR PULMONALE — same CMS DRG family (175-176), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 175-176) · FY2027
Read from: CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v44. All data sources · How to read the labels · How MedCoder verifies its implementation
Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources