All ICD10 Codes
MS-DRG 897Medical

Alcohol, Drug Abuse or Dependence without Rehabilitation Therapy without MCC

Major Diagnostic Category 20·Grouped by diagnosis·FY 2027

MS-DRG 897 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 20 (MDC 20) without a significant Complication or Comorbidity. It maps to 457 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 0.8584 with a geometric mean length of stay of 3.2 days and an arithmetic mean of 4 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:
0.8584 (payment multiplier vs. the average case (1.0))
Geometric mean stay:
3.2 days (used for transfer payments)
Average stay:
4 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.

DRGTitleRelative weightMean stay
896Alcohol, Drug Abuse or Dependence without Rehabilitation Therapy with MCC1.66174.5 days
897Alcohol, Drug Abuse or Dependence without Rehabilitation Therapy without MCC (this page)0.85843.2 days

Diagnosis codes (457)

As the principal diagnosis, these ICD-10-CM codes can group to DRG 897. 100% of the codes listed are billable.