MS-DRG v44.0 · MDC 19: Mental Diseases and Disorders
880 — Acute Adjustment Reaction and Psychosocial Dysfunction
- Relative weight
- 0.9306
- Geometric mean LOS
- 2.7 days
- Arithmetic mean LOS
- 3.8 days
- Type
- Medical
About MS-DRG 880
MS-DRG 880, Acute Adjustment Reaction and Psychosocial Dysfunction, 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 0.9306, so Medicare's base payment for this DRG is about 0.93 times the average inpatient case (below average), before hospital-specific adjustments. The geometric mean length of stay is 2.7 days and the arithmetic mean is 3.8 days.
34 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 880 (34)
Chapter 5: Mental, Behavioral and Neurodevelopmental disorders
- F05Delirium due to known physiological condition
- F41.0Panic disorder [episodic paroxysmal anxiety]
- F41.1Generalized anxiety disorder
- F41.3Other mixed anxiety disorders
- F41.8Other specified anxiety disorders
- F41.9Anxiety disorder, unspecified
- F43.0Acute stress reaction
- F44.0Dissociative amnesia
- F44.1Dissociative fugue
- F44.2Dissociative stupor
- F44.4Conversion disorder with motor symptom or deficit
- F44.5Conversion disorder with seizures or convulsions
- F44.6Conversion disorder with sensory symptom or deficit
- F44.7Conversion disorder with mixed symptom presentation
- F44.9Dissociative and conversion disorder, unspecified
- F48.9Nonpsychotic mental disorder, unspecified
- F68.11Factitious disorder imposed on self, with predominantly psychological signs and symptoms
- F68.13Factitious disorder imposed on self, with combined psychological and physical signs and symptoms
- F68.8Other specified disorders of adult personality and behavior
- F99Mental disorder, not otherwise specified
Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- R44.0Auditory hallucinations
- R44.2Other hallucinations
- R44.3Hallucinations, unspecified
- R45.0Nervousness
- R45.2Unhappiness
- R45.3Demoralization and apathy
- R45.4Irritability and anger
- R45.5Hostility
- R45.6Violent behavior
- R45.7State of emotional shock and stress, unspecified
- R45.851Suicidal ideations
- R45.89Other symptoms and signs involving emotional state
Chapter 21: Factors influencing health status and contact with health services
Common questions about DRG 880
What is the relative weight of DRG 880?
- 0.9306 for FY2027 (MS-DRG v44.0), from the IPPS final rule Table 5.
What is the average length of stay for DRG 880?
- The geometric mean length of stay is 2.7 days; the arithmetic mean is 3.8 days.
Is DRG 880 medical or surgical?
- DRG 880 is a medical DRG.