MS-DRG 334Surgical

Rectal Resection without CC/MCC

Major Diagnostic Category 06·Grouped by procedure·FY 2027

MS-DRG 334 is a Surgical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 06 (MDC 06) without a significant Complication or Comorbidity. For FY 2027 it carries a relative weight of 1.6847 with a geometric mean length of stay of 2.2 days and an arithmetic mean of 2.6 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

FY 2027 payment data

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

Relative weight:: 1.6847 (payment multiplier vs. the average case (1.0))
Geometric mean stay:: 2.2 days (used for transfer payments)
Average stay:: 2.6 days (arithmetic mean)
Post-acute transfer policy:: Yes (early transfers can be paid less)

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.

DRG	Title	Relative weight	Mean stay
332	Rectal Resection with MCC	3.7887	5.8 days
333	Rectal Resection with CC	2.1275	3.3 days
334	Rectal Resection without CC/MCC (this page)	1.6847	2.2 days

Procedure codes (19)

ICD-10-PCS procedures that can group a stay to DRG 334.