885 MS-DRG: PSYCHOSES
MS-DRG 885 groups Medicare inpatient hospital stays for: PSYCHOSES. This is a medical MS-DRG. It falls under MDC 19 (Mental Diseases and Disorders).
Payment & Classification Data
Official CMS values from the FY2027 IPPS Final Rule Table 5.
| Major Diagnostic Category | MDC 19 — Mental Diseases and Disorders |
| DRG Type | Medical |
| Severity Level | N/A |
| Relative Weight | 1.3901 |
| Relative Weight (10% Cap Applied) | 1.3901 |
| Geometric Mean Length of Stay | 6.5 days |
| Arithmetic Mean Length of Stay | 9.7 days |
| Post-Acute Transfer DRG | No |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
79 diagnosis codes can drive assignment here: F20.0, F20.1, F20.2, F20.3, F20.5, F20.81, F20.89, F20.9, F22, F23, F24, F25.0 and 67 more.
From the CMS MS-DRG Definitions Manual (Appendices B and E). Assignment also depends on severity, discharge status and the rest of the claim.
Contextual Map
Every relationship of 885 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Major Diagnostic Category
- MDC 19 — Mental Diseases and Disorders[MDC]— CMS MS-DRG Definitions Manual · FY2027
Defining diagnoses (79)
- F20.0 — Paranoid schizophrenia[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- F20.1 — Disorganized schizophrenia[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- F20.2 — Catatonic schizophrenia[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- F20.3 — Undifferentiated schizophrenia[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- F20.5 — Residual schizophrenia[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- F20.81 — Schizophreniform disorder[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- F20.89 — Other schizophrenia[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- F20.9 — Schizophrenia, unspecified[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 71 more
Read from: CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v44. All data sources · How to read the labels