DRG 880

Medical DRG

Acute Adjustment Reaction and Psychosocial Dysfunction

TypeMedicalMDC19Dx Codes34

What is MS-DRG 880?

MS-DRG 880 is a Medical Medicare Severity Diagnosis Related Group under Major Diagnostic Category 19 (MDC 19). It maps to 34 ICD-10-CM diagnosis codes. For FY 2026 it carries a relative weight of 0.9602 with a geometric mean length of stay of 2.8 days and an arithmetic mean of 4.2 days. Hospitals use this grouping to determine reimbursement for inpatient stays under Medicare.

Classification
Medical DRG
Diagnosis-driven grouping
Linked Codes
34 diagnosis
Billable Dx
100%
34 of 34 shown

FY 2026 Payment Data

Official values from Table 5 of the FY 2026 IPPS Final Rule (CMS).

Relative Weight
0.9602
Payment multiplier vs. average case (1.0)
Geometric Mean LOS
2.8 days
Used for transfer payment calculations
Arithmetic Mean LOS
4.2 days
Average length of stay
Post-Acute Transfer
No
Not subject to the transfer policy

Linked ICD-10-CM Diagnosis Mappings

  • F05

    Delirium due to known physiological condition

    BillableChapter 5
  • F41.0

    Panic disorder [episodic paroxysmal anxiety]

    BillableChapter 5
  • F41.1

    Generalized anxiety disorder

    BillableChapter 5
  • F41.3

    Other mixed anxiety disorders

    BillableChapter 5
  • F41.8

    Other specified anxiety disorders

    BillableChapter 5
  • F41.9

    Anxiety disorder, unspecified

    BillableChapter 5
  • F43.0

    Acute stress reaction

    BillableChapter 5
  • F44.0

    Dissociative amnesia

    BillableChapter 5
  • F44.1

    Dissociative fugue

    BillableChapter 5
  • F44.2

    Dissociative stupor

    BillableChapter 5
  • F44.4

    Conversion disorder with motor symptom or deficit

    BillableChapter 5
  • F44.5

    Conversion disorder with seizures or convulsions

    BillableChapter 5
  • F44.6

    Conversion disorder with sensory symptom or deficit

    BillableChapter 5
  • F44.7

    Conversion disorder with mixed symptom presentation

    BillableChapter 5
  • F44.9

    Dissociative and conversion disorder, unspecified

    BillableChapter 5
  • F48.9

    Nonpsychotic mental disorder, unspecified

    BillableChapter 5
  • F68.11

    Factitious disorder imposed on self, with predominantly psychological signs and symptoms

    BillableChapter 5
  • F68.13

    Factitious disorder imposed on self, with combined psychological and physical signs and symptoms

    BillableChapter 5
  • F68.8

    Other specified disorders of adult personality and behavior

    BillableChapter 5
  • F99

    Mental disorder, not otherwise specified

    BillableChapter 5
  • R44.0

    Auditory hallucinations

    BillableChapter 18
  • R44.2

    Other hallucinations

    BillableChapter 18
  • R44.3

    Hallucinations, unspecified

    BillableChapter 18
  • R45.0

    Nervousness

    BillableChapter 18
  • R45.2

    Unhappiness

    BillableChapter 18
  • R45.3

    Demoralization and apathy

    BillableChapter 18
  • R45.4

    Irritability and anger

    BillableChapter 18
  • R45.5

    Hostility

    BillableChapter 18
  • R45.6

    Violent behavior

    BillableChapter 18
  • R45.7

    State of emotional shock and stress, unspecified

    BillableChapter 18
  • R45.851

    Suicidal ideations

    BillableChapter 18
  • R45.89

    Other symptoms and signs involving emotional state

    BillableChapter 18
  • Z72.810

    Child and adolescent antisocial behavior

    BillableChapter 21
  • Z72.811

    Adult antisocial behavior

    BillableChapter 21