Skip to content
Dx

MS-DRG v44.0 · MDC 07: Diseases and Disorders of the Hepatobiliary System and Pancreas

408 — Biliary Tract Procedures Except Only Cholecystectomy with or without C.D.E. with MCC

Source: CMS MS-DRG v44.0 and FY2027 IPPS final rule. Page updated September 29, 2026.
Relative weight
3.3234
Geometric mean LOS
6.8 days
Arithmetic mean LOS
9.3 days
Type
Surgical

About MS-DRG 408

MS-DRG 408, Biliary Tract Procedures Except Only Cholecystectomy with or without C.D.E. with MCC, is a surgical DRG in MDC 07 (Diseases and Disorders of the Hepatobiliary System and Pancreas) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.

Its FY2027 relative weight is 3.3234, so Medicare's base payment for this DRG is about 3.32 times the average inpatient case, before hospital-specific adjustments. The geometric mean length of stay is 6.8 days and the arithmetic mean is 9.3 days.

It belongs to a 3-level severity family: DRG 408 (with MCC, weight 3.3234), DRG 409 (with CC, weight 2.2334) and DRG 410 (without CC/MCC, weight 1.7662). The highest-severity level carries 1.9 times the weight of the lowest, which is why documenting CC and MCC conditions matters.

ICD-10-CM codes that group to DRG 408 (0)

This DRG is assigned by procedure, not by a diagnosis list.

Common questions about DRG 408

What is the relative weight of DRG 408?

3.3234 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.

What is the average length of stay for DRG 408?

The geometric mean length of stay is 6.8 days; the arithmetic mean is 9.3 days.

Is DRG 408 medical or surgical?

DRG 408 is a surgical DRG.