MS-DRG · FY 2026 v43.0
MS-DRG 884 – Organic Disturbances and Intellectual Disability
A Medical DRG in MDC 19 (Mental Diseases & Disorders). Inpatient cases group to DRG 884 when the ICD-10-CM principal diagnosis is one of the 134 codes listed below. Its FY 2026 relative weight is 1.6089 with a geometric mean length of stay of 4.6 days.
Medical DRG – assigned by principal diagnosis✓ Official CMS v43.0 dataset
1.6089
Relative Weight
4.6
Geometric Mean LOS (days)
7.8
Arithmetic Mean LOS (days)
134
Principal Diagnosis Codes
How a case is assigned to DRG 884
The grouper first assigns the case to MDC 19 from the principal diagnosis and finds no qualifying operating-room procedure (this is a Medical DRG; ICD-10-PCS codes do not drive assignment here).
ICD-10-CM
Principal Diagnosis Codes 134 codes · 24 categories
134 of 134 shown
F01 Vascular dementia24 codes
- F01.50 Vascular dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F01.511 Vascular dementia, unspecified severity, with agitation
- F01.518 Vascular dementia, unspecified severity, with other behavioral disturbance
- F01.52 Vascular dementia, unspecified severity, with psychotic disturbance
- F01.53 Vascular dementia, unspecified severity, with mood disturbance
- F01.54 Vascular dementia, unspecified severity, with anxiety
- F01.A0 Vascular dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F01.A11 Vascular dementia, mild, with agitation
- F01.A18 Vascular dementia, mild, with other behavioral disturbance
- F01.A2 Vascular dementia, mild, with psychotic disturbance
- F01.A3 Vascular dementia, mild, with mood disturbance
- F01.A4 Vascular dementia, mild, with anxiety
- F01.B0 Vascular dementia, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F01.B11 Vascular dementia, moderate, with agitation
- F01.B18 Vascular dementia, moderate, with other behavioral disturbance
- F01.B2 Vascular dementia, moderate, with psychotic disturbance
- F01.B3 Vascular dementia, moderate, with mood disturbance
- F01.B4 Vascular dementia, moderate, with anxiety
- F01.C0 Vascular dementia, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F01.C11 Vascular dementia, severe, with agitation
- F01.C18 Vascular dementia, severe, with other behavioral disturbance
- F01.C2 Vascular dementia, severe, with psychotic disturbance
- F01.C3 Vascular dementia, severe, with mood disturbance
- F01.C4 Vascular dementia, severe, with anxiety
F02 Dementia in other diseases classified elsewhere24 codes
- F02.80 Dementia in other diseases classified elsewhere, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F02.811 Dementia in other diseases classified elsewhere, unspecified severity, with agitation
- F02.818 Dementia in other diseases classified elsewhere, unspecified severity, with other behavioral disturbance
- F02.82 Dementia in other diseases classified elsewhere, unspecified severity, with psychotic disturbance
- F02.83 Dementia in other diseases classified elsewhere, unspecified severity, with mood disturbance
- F02.84 Dementia in other diseases classified elsewhere, unspecified severity, with anxiety
- F02.A0 Dementia in other diseases classified elsewhere, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F02.A11 Dementia in other diseases classified elsewhere, mild, with agitation
- F02.A18 Dementia in other diseases classified elsewhere, mild, with other behavioral disturbance
- F02.A2 Dementia in other diseases classified elsewhere, mild, with psychotic disturbance
- F02.A3 Dementia in other diseases classified elsewhere, mild, with mood disturbance
- F02.A4 Dementia in other diseases classified elsewhere, mild, with anxiety
- F02.B0 Dementia in other diseases classified elsewhere, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F02.B11 Dementia in other diseases classified elsewhere, moderate, with agitation
- F02.B18 Dementia in other diseases classified elsewhere, moderate, with other behavioral disturbance
- F02.B2 Dementia in other diseases classified elsewhere, moderate, with psychotic disturbance
- F02.B3 Dementia in other diseases classified elsewhere, moderate, with mood disturbance
- F02.B4 Dementia in other diseases classified elsewhere, moderate, with anxiety
- F02.C0 Dementia in other diseases classified elsewhere, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F02.C11 Dementia in other diseases classified elsewhere, severe, with agitation
- F02.C18 Dementia in other diseases classified elsewhere, severe, with other behavioral disturbance
- F02.C2 Dementia in other diseases classified elsewhere, severe, with psychotic disturbance
- F02.C3 Dementia in other diseases classified elsewhere, severe, with mood disturbance
- F02.C4 Dementia in other diseases classified elsewhere, severe, with anxiety
F03 Unspecified dementia24 codes
- F03.90 Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F03.911 Unspecified dementia, unspecified severity, with agitation
- F03.918 Unspecified dementia, unspecified severity, with other behavioral disturbance
- F03.92 Unspecified dementia, unspecified severity, with psychotic disturbance
- F03.93 Unspecified dementia, unspecified severity, with mood disturbance
- F03.94 Unspecified dementia, unspecified severity, with anxiety
- F03.A0 Unspecified dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F03.A11 Unspecified dementia, mild, with agitation
- F03.A18 Unspecified dementia, mild, with other behavioral disturbance
- F03.A2 Unspecified dementia, mild, with psychotic disturbance
- F03.A3 Unspecified dementia, mild, with mood disturbance
- F03.A4 Unspecified dementia, mild, with anxiety
- F03.B0 Unspecified dementia, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F03.B11 Unspecified dementia, moderate, with agitation
- F03.B18 Unspecified dementia, moderate, with other behavioral disturbance
- F03.B2 Unspecified dementia, moderate, with psychotic disturbance
- F03.B3 Unspecified dementia, moderate, with mood disturbance
- F03.B4 Unspecified dementia, moderate, with anxiety
- F03.C0 Unspecified dementia, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
- F03.C11 Unspecified dementia, severe, with agitation
- F03.C18 Unspecified dementia, severe, with other behavioral disturbance
- F03.C2 Unspecified dementia, severe, with psychotic disturbance
- F03.C3 Unspecified dementia, severe, with mood disturbance
- F03.C4 Unspecified dementia, severe, with anxiety
F04 Amnestic disorder due to known physiological condition1 code
- F04 Amnestic disorder due to known physiological condition
F06 Other mental disorders due to known physiological condition12 codes
- F06.0 Psychotic disorder with hallucinations due to known physiological condition
- F06.1 Catatonic disorder due to known physiological condition
- F06.2 Psychotic disorder with delusions due to known physiological condition
- F06.30 Mood disorder due to known physiological condition, unspecified
- F06.31 Mood disorder due to known physiological condition with depressive features
- F06.32 Mood disorder due to known physiological condition with major depressive-like episode
- F06.33 Mood disorder due to known physiological condition with manic features
- F06.34 Mood disorder due to known physiological condition with mixed features
- F06.4 Anxiety disorder due to known physiological condition
- F06.70 Mild neurocognitive disorder due to known physiological condition without behavioral disturbance
- F06.71 Mild neurocognitive disorder due to known physiological condition with behavioral disturbance
- F06.8 Other specified mental disorders due to known physiological condition
F07 Personality and behavioral disorders due to known physiological condition2 codes
F09 Unspecified mental disorder due to known physiological condition1 code
- F09 Unspecified mental disorder due to known physiological condition
F54 Psychological and behavioral factors associated with disorders or diseases classified elsewhere1 code
- F54 Psychological and behavioral factors associated with disorders or diseases classified elsewhere
F63 Impulse disorders1 code
- F63.3 Trichotillomania
F70 Mild intellectual disabilities1 code
- F70 Mild intellectual disabilities
F71 Moderate intellectual disabilities1 code
- F71 Moderate intellectual disabilities
F72 Severe intellectual disabilities1 code
- F72 Severe intellectual disabilities
F73 Profound intellectual disabilities1 code
- F73 Profound intellectual disabilities
F78 Other intellectual disabilities2 codes
F79 Unspecified intellectual disabilities1 code
- F79 Unspecified intellectual disabilities
F84 Pervasive developmental disorders2 codes
Q90 Down syndrome4 codes
Q91 Trisomy 18 and Trisomy 138 codes
- Q91.0 Trisomy 18, nonmosaicism (meiotic nondisjunction)
- Q91.1 Trisomy 18, mosaicism (mitotic nondisjunction)
- Q91.2 Trisomy 18, translocation
- Q91.3 Trisomy 18, unspecified
- Q91.4 Trisomy 13, nonmosaicism (meiotic nondisjunction)
- Q91.5 Trisomy 13, mosaicism (mitotic nondisjunction)
- Q91.6 Trisomy 13, translocation
- Q91.7 Trisomy 13, unspecified
Q93 Monosomies and deletions from the autosomes, not elsewhere classified11 codes
- Q93.3 Deletion of short arm of chromosome 4
- Q93.4 Deletion of short arm of chromosome 5
- Q93.51 Angelman syndrome
- Q93.52 Phelan-McDermid syndrome
- Q93.59 Other deletions of part of a chromosome
- Q93.7 Deletions with other complex rearrangements
- Q93.81 Velo-cardio-facial syndrome
- Q93.82 Williams syndrome
- Q93.88 Other microdeletions
- Q93.89 Other deletions from the autosomes
- Q93.9 Deletion from autosomes, unspecified
Q99 Other chromosome abnormalities, not elsewhere classified1 code
- Q99.2 Fragile X chromosome
R40 Somnolence, stupor and coma1 code
- R40.4 Transient alteration of awareness
R41 Other symptoms and signs involving cognitive functions and awareness6 codes
R45 Symptoms and signs involving emotional state3 codes
R54 Age-related physical debility1 code
- R54 Age-related physical debility
ICD-10-PCS
Procedure Codes
Procedure codes do not drive assignment for this DRG. DRG 884 is a Medical DRG, assigned from the principal diagnosis above.
Frequently Asked Questions
What is MS-DRG 884?
MS-DRG 884 (Organic Disturbances and Intellectual Disability) is a medical DRG in MDC 19 (Mental Diseases & Disorders). Its FY 2026 relative weight is 1.6089 with a geometric mean length of stay of 4.6 days.
How many diagnosis codes group to DRG 884?
134 ICD-10-CM principal diagnosis codes group to this DRG, spanning 24 three-character categories.
What is the relative weight of DRG 884?
The FY 2026 relative weight of this DRG is 1.6089, meaning reimbursement of roughly 1.61 times the average Medicare inpatient case. Multiply by a hospital's blended base rate for the approximate payment.
Source: CMS ICD-10 MS-DRG v43.0 Definitions Manual and the FY 2026 IPPS Final Rule (Table 5), effective October 1, 2025 through September 30, 2026. We publish the DRG assignments as CMS defines them and add the navigation, search, and code links.
