MS-DRG 409Surgical

Biliary Tract Procedures Except Only Cholecystectomy with or without C.D.E. with CC

Major Diagnostic Category 07·Grouped by procedure·FY 2027

MS-DRG 409 is a Surgical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 07 (MDC 07) with a Complication or Comorbidity (CC). For FY 2027 it carries a relative weight of 2.2334 with a geometric mean length of stay of 4.4 days and an arithmetic mean of 5.4 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

Advertisements

FY 2027 payment data

From Table 5 of the FY 2027 IPPS Final Rule (CMS).

Relative weight:
2.2334 (payment multiplier vs. the average case (1.0))
Geometric mean stay:
4.4 days (used for transfer payments)
Average stay:
5.4 days (arithmetic mean)
Post-acute transfer policy:
No (not subject to it)

Same condition, other severity levels

CMS splits one condition into separate DRGs by how sick the patient is. With MCC pays more than with CC, which pays more than without CC/MCC.

DRGTitleRelative weightMean stay
408Biliary Tract Procedures Except Only Cholecystectomy with or without C.D.E. with MCC3.32346.8 days
409Biliary Tract Procedures Except Only Cholecystectomy with or without C.D.E. with CC (this page)2.23344.4 days
410Biliary Tract Procedures Except Only Cholecystectomy with or without C.D.E. without CC/MCC1.76623.1 days

Procedure codes (716)

ICD-10-PCS procedures that can group a stay to DRG 409.