All ICD10 Codes
MS-DRG 446Medical

Disorders of the Biliary Tract without CC/MCC

Major Diagnostic Category 07·Grouped by diagnosis·FY 2027

MS-DRG 446 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 07 (MDC 07) without a significant Complication or Comorbidity. It maps to 72 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 0.8124 with a geometric mean length of stay of 2.1 days and an arithmetic mean of 2.5 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

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FY 2027 payment data

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

Relative weight:
0.8124 (payment multiplier vs. the average case (1.0))
Geometric mean stay:
2.1 days (used for transfer payments)
Average stay:
2.5 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
444Disorders of the Biliary Tract with MCC1.66654.3 days
445Disorders of the Biliary Tract with CC1.08722.9 days
446Disorders of the Biliary Tract without CC/MCC (this page)0.81242.1 days

Diagnosis codes (72)

As the principal diagnosis, these ICD-10-CM codes can group to DRG 446. 100% of the codes listed are billable.