MS-DRG · FY 2026 v43.0
MS-DRG 887 – Other Mental Disorder Diagnoses
A Medical DRG in MDC 19 (Mental Diseases & Disorders). Inpatient cases group to DRG 887 when the ICD-10-CM principal diagnosis is one of the 77 codes listed below. Its FY 2026 relative weight is 1.0709 with a geometric mean length of stay of 3.1 days.
Medical DRG – assigned by principal diagnosis✓ Official CMS v43.0 dataset
1.0709
Relative Weight
3.1
Geometric Mean LOS (days)
4.9
Arithmetic Mean LOS (days)
77
Principal Diagnosis Codes
How a case is assigned to DRG 887
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 77 codes · 13 categories
77 of 77 shown
F44 Dissociative and conversion disorders1 code
- F44.89 Other dissociative and conversion disorders
F50 Eating disorders17 codes
- F50.20 Bulimia nervosa, unspecified
- F50.21 Bulimia nervosa, mild
- F50.22 Bulimia nervosa, moderate
- F50.23 Bulimia nervosa, severe
- F50.24 Bulimia nervosa, extreme
- F50.25 Bulimia nervosa, in remission
- F50.810 Binge eating disorder, mild
- F50.811 Binge eating disorder, moderate
- F50.812 Binge eating disorder, severe
- F50.813 Binge eating disorder, extreme
- F50.814 Binge eating disorder, in remission
- F50.819 Binge eating disorder, unspecified
- F50.82 Avoidant/restrictive food intake disorder
- F50.83 Pica in adults
- F50.84 Rumination disorder in adults
- F50.89 Other specified eating disorder
- F50.9 Eating disorder, unspecified
F51 Sleep disorders not due to a substance or known physiological condition15 codes
- F51.01 Primary insomnia
- F51.02 Adjustment insomnia
- F51.03 Paradoxical insomnia
- F51.04 Psychophysiologic insomnia
- F51.05 Insomnia due to other mental disorder
- F51.09 Other insomnia not due to a substance or known physiological condition
- F51.11 Primary hypersomnia
- F51.12 Insufficient sleep syndrome
- F51.13 Hypersomnia due to other mental disorder
- F51.19 Other hypersomnia not due to a substance or known physiological condition
- F51.3 Sleepwalking [somnambulism]
- F51.4 Sleep terrors [night terrors]
- F51.5 Nightmare disorder
- F51.8 Other sleep disorders not due to a substance or known physiological condition
- F51.9 Sleep disorder not due to a substance or known physiological condition, unspecified
F52 Sexual dysfunction not due to a substance or known physiological condition10 codes
- F52.0 Hypoactive sexual desire disorder
- F52.1 Sexual aversion disorder
- F52.21 Male erectile disorder
- F52.22 Female sexual arousal disorder
- F52.31 Female orgasmic disorder
- F52.32 Male orgasmic disorder
- F52.4 Premature ejaculation
- F52.6 Dyspareunia not due to a substance or known physiological condition
- F52.8 Other sexual dysfunction not due to a substance or known physiological condition
- F52.9 Unspecified sexual dysfunction not due to a substance or known physiological condition
F59 Unspecified behavioral syndromes associated with physiological disturbances and physical factors1 code
- F59 Unspecified behavioral syndromes associated with physiological disturbances and physical factors
F64 Gender identity disorders5 codes
F65 Paraphilias11 codes
F66 Other sexual disorders1 code
- F66 Other sexual disorders
F98 Other behavioral and emotional disorders with onset usually occurring in childhood and adolescence3 codes
G47 Sleep disorders10 codes
- G47.00 Insomnia, unspecified
- G47.01 Insomnia due to medical condition
- G47.09 Other insomnia
- G47.10 Hypersomnia, unspecified
- G47.11 Idiopathic hypersomnia with long sleep time
- G47.12 Idiopathic hypersomnia without long sleep time
- G47.13 Recurrent hypersomnia
- G47.14 Hypersomnia due to medical condition
- G47.19 Other hypersomnia
- G47.9 Sleep disorder, unspecified
R37 Sexual dysfunction, unspecified1 code
- R37 Sexual dysfunction, unspecified
R48 Dyslexia and other symbolic dysfunctions, not elsewhere classified1 code
- R48.9 Unspecified symbolic dysfunctions
Z87 Personal history of other diseases and conditions1 code
- Z87.890 Personal history of sex reassignment
ICD-10-PCS
Procedure Codes
Procedure codes do not drive assignment for this DRG. DRG 887 is a Medical DRG, assigned from the principal diagnosis above.
Frequently Asked Questions
What is MS-DRG 887?
MS-DRG 887 (Other Mental Disorder Diagnoses) is a medical DRG in MDC 19 (Mental Diseases & Disorders). Its FY 2026 relative weight is 1.0709 with a geometric mean length of stay of 3.1 days.
How many diagnosis codes group to DRG 887?
77 ICD-10-CM principal diagnosis codes group to this DRG, spanning 13 three-character categories.
What is the relative weight of DRG 887?
The FY 2026 relative weight of this DRG is 1.0709, meaning reimbursement of roughly 1.07 times the average Medicare inpatient case. Multiply by a hospital's blended base rate for the approximate payment.
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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.
