All ICD10 Codes
MS-DRG 885Medical

Psychoses

Major Diagnostic Category 19·Grouped by diagnosis·FY 2027

MS-DRG 885 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 19 (MDC 19). It maps to 79 ICD-10-CM diagnosis codes. For FY 2027 it carries a relative weight of 1.3901 with a geometric mean length of stay of 6.5 days and an arithmetic mean of 9.7 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:
1.3901 (payment multiplier vs. the average case (1.0))
Geometric mean stay:
6.5 days (used for transfer payments)
Average stay:
9.7 days (arithmetic mean)
Post-acute transfer policy:
No (not subject to it)

Diagnosis codes (79)

As the principal diagnosis, these ICD-10-CM codes can group to DRG 885. 100% of the codes listed are billable.