MS-DRG v44.0 · MDC 19: Mental Diseases and Disorders
885 — Psychoses
Source: CMS MS-DRG v44.0 and FY2027 IPPS final rule. Page updated September 29, 2026.
- Relative weight
- 1.3901
- Geometric mean LOS
- 6.5 days
- Arithmetic mean LOS
- 9.7 days
- Type
- Medical
About MS-DRG 885
MS-DRG 885, Psychoses, is a medical DRG in MDC 19 (Mental Diseases and Disorders) under MS-DRG version 44.0, which applies to inpatient discharges from October 1, 2026 through September 30, 2027.
Its FY2027 relative weight is 1.3901, so Medicare's base payment for this DRG is about 1.39 times the average inpatient case, before hospital-specific adjustments. The geometric mean length of stay is 6.5 days and the arithmetic mean is 9.7 days.
79 ICD-10-CM diagnosis codes are part of this DRG's grouping logic; they are listed below.
ICD-10-CM codes that group to DRG 885 (79)
Chapter 5: Mental, Behavioral and Neurodevelopmental disorders
- F20.0Paranoid schizophrenia
- F20.1Disorganized schizophrenia
- F20.2Catatonic schizophrenia
- F20.3Undifferentiated schizophrenia
- F20.5Residual schizophrenia
- F20.81Schizophreniform disorder
- F20.89Other schizophrenia
- F20.9Schizophrenia, unspecified
- F22Delusional disorders
- F23Brief psychotic disorder
- F24Shared psychotic disorder
- F25.0Schizoaffective disorder, bipolar type
- F25.1Schizoaffective disorder, depressive type
- F25.8Other schizoaffective disorders
- F25.9Schizoaffective disorder, unspecified
- F28Other psychotic disorder not due to a substance or known physiological condition
- F29Unspecified psychosis not due to a substance or known physiological condition
- F30.10Manic episode without psychotic symptoms, unspecified
- F30.11Manic episode without psychotic symptoms, mild
- F30.12Manic episode without psychotic symptoms, moderate
- F30.13Manic episode, severe, without psychotic symptoms
- F30.2Manic episode, severe with psychotic symptoms
- F30.3Manic episode in partial remission
- F30.4Manic episode in full remission
- F30.8Other manic episodes
- F30.9Manic episode, unspecified
- F31.0Bipolar disorder, current episode hypomanic
- F31.10Bipolar disorder, current episode manic without psychotic features, unspecified
- F31.11Bipolar disorder, current episode manic without psychotic features, mild
- F31.12Bipolar disorder, current episode manic without psychotic features, moderate
- F31.13Bipolar disorder, current episode manic without psychotic features, severe
- F31.2Bipolar disorder, current episode manic severe with psychotic features
- F31.30Bipolar disorder, current episode depressed, mild or moderate severity, unspecified
- F31.31Bipolar disorder, current episode depressed, mild
- F31.32Bipolar disorder, current episode depressed, moderate
- F31.4Bipolar disorder, current episode depressed, severe, without psychotic features
- F31.5Bipolar disorder, current episode depressed, severe, with psychotic features
- F31.60Bipolar disorder, current episode mixed, unspecified
- F31.61Bipolar disorder, current episode mixed, mild
- F31.62Bipolar disorder, current episode mixed, moderate
- F31.63Bipolar disorder, current episode mixed, severe, without psychotic features
- F31.64Bipolar disorder, current episode mixed, severe, with psychotic features
- F31.70Bipolar disorder, currently in remission, most recent episode unspecified
- F31.71Bipolar disorder, in partial remission, most recent episode hypomanic
- F31.72Bipolar disorder, in full remission, most recent episode hypomanic
- F31.73Bipolar disorder, in partial remission, most recent episode manic
- F31.74Bipolar disorder, in full remission, most recent episode manic
- F31.75Bipolar disorder, in partial remission, most recent episode depressed
- F31.76Bipolar disorder, in full remission, most recent episode depressed
- F31.77Bipolar disorder, in partial remission, most recent episode mixed
- F31.78Bipolar disorder, in full remission, most recent episode mixed
- F31.81Bipolar II disorder
- F31.89Other bipolar disorder
- F31.9Bipolar disorder, unspecified
- F32.0Major depressive disorder, single episode, mild
- F32.1Major depressive disorder, single episode, moderate
- F32.2Major depressive disorder, single episode, severe without psychotic features
- F32.3Major depressive disorder, single episode, severe with psychotic features
- F32.4Major depressive disorder, single episode, in partial remission
- F32.5Major depressive disorder, single episode, in full remission
- F32.81Premenstrual dysphoric disorder
- F32.89Other specified depressive episodes
- F33.0Major depressive disorder, recurrent, mild
- F33.1Major depressive disorder, recurrent, moderate
- F33.2Major depressive disorder, recurrent severe without psychotic features
- F33.3Major depressive disorder, recurrent, severe with psychotic symptoms
- F33.40Major depressive disorder, recurrent, in remission, unspecified
- F33.41Major depressive disorder, recurrent, in partial remission
- F33.42Major depressive disorder, recurrent, in full remission
- F33.8Other recurrent depressive disorders
- F33.9Major depressive disorder, recurrent, unspecified
- F34.81Disruptive mood dysregulation disorder
- F34.89Other specified persistent mood disorders
- F34.9Persistent mood [affective] disorder, unspecified
- F39Unspecified mood [affective] disorder
- F53.1Puerperal psychosis
- F84.5Asperger's syndrome
- F84.8Other pervasive developmental disorders
- F84.9Pervasive developmental disorder, unspecified
Common questions about DRG 885
What is the relative weight of DRG 885?
- 1.3901 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.
What is the average length of stay for DRG 885?
- The geometric mean length of stay is 6.5 days; the arithmetic mean is 9.7 days.
Is DRG 885 medical or surgical?
- DRG 885 is a medical DRG.