MS-DRG · FY 2026 v43.0

MS-DRG 886 – Behavioral and Developmental Disorders

A Medical DRG in MDC 19 (Mental Diseases & Disorders). Inpatient cases group to DRG 886 when the ICD-10-CM principal diagnosis is one of the 46 codes listed below. Its FY 2026 relative weight is 2.0753 with a geometric mean length of stay of 5.9 days.

Medical DRG – assigned by principal diagnosis✓ Official CMS v43.0 dataset
2.0753
Relative Weight
5.9
Geometric Mean LOS (days)
14.9
Arithmetic Mean LOS (days)
46
Principal Diagnosis Codes
How a case is assigned to DRG 886

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 46 codes · 14 categories

46 of 46 shown
F63 Impulse disorders2 codes
  • F63.1 Pyromania
  • F63.9 Impulse disorder, unspecified
F80 Specific developmental disorders of speech and language7 codes
  • F80.0 Phonological disorder
  • F80.1 Expressive language disorder
  • F80.2 Mixed receptive-expressive language disorder
  • F80.4 Speech and language development delay due to hearing loss
  • F80.82 Social pragmatic communication disorder
  • F80.89 Other developmental disorders of speech and language
  • F80.9 Developmental disorder of speech and language, unspecified
F81 Specific developmental disorders of scholastic skills5 codes
  • F81.0 Specific reading disorder
  • F81.2 Mathematics disorder
  • F81.81 Disorder of written expression
  • F81.89 Other developmental disorders of scholastic skills
  • F81.9 Developmental disorder of scholastic skills, unspecified
F82 Specific developmental disorder of motor function1 code
  • F82 Specific developmental disorder of motor function
F88 Other disorders of psychological development1 code
  • F88 Other disorders of psychological development
F89 Unspecified disorder of psychological development1 code
  • F89 Unspecified disorder of psychological development
F90 Attention-deficit hyperactivity disorders5 codes
  • F90.0 Attention-deficit hyperactivity disorder, predominantly inattentive type
  • F90.1 Attention-deficit hyperactivity disorder, predominantly hyperactive type
  • F90.2 Attention-deficit hyperactivity disorder, combined type
  • F90.8 Attention-deficit hyperactivity disorder, other type
  • F90.9 Attention-deficit hyperactivity disorder, unspecified type
F91 Conduct disorders6 codes
  • F91.0 Conduct disorder confined to family context
  • F91.1 Conduct disorder, childhood-onset type
  • F91.2 Conduct disorder, adolescent-onset type
  • F91.3 Oppositional defiant disorder
  • F91.8 Other conduct disorders
  • F91.9 Conduct disorder, unspecified
F93 Emotional disorders with onset specific to childhood2 codes
  • F93.8 Other childhood emotional disorders
  • F93.9 Childhood emotional disorder, unspecified
F94 Disorders of social functioning with onset specific to childhood and adolescence5 codes
  • F94.0 Selective mutism
  • F94.1 Reactive attachment disorder of childhood
  • F94.2 Disinhibited attachment disorder of childhood
  • F94.8 Other childhood disorders of social functioning
  • F94.9 Childhood disorder of social functioning, unspecified
F98 Other behavioral and emotional disorders with onset usually occurring in childhood and adolescence5 codes
  • F98.0 Enuresis not due to a substance or known physiological condition
  • F98.1 Encopresis not due to a substance or known physiological condition
  • F98.3 Pica of infancy and childhood
  • F98.8 Other specified behavioral and emotional disorders with onset usually occurring in childhood and adolescence
  • F98.9 Unspecified behavioral and emotional disorders with onset usually occurring in childhood and adolescence
H93 Other disorders of ear, not elsewhere classified1 code
  • H93.25 Central auditory processing disorder
R41 Other symptoms and signs involving cognitive functions and awareness1 code
  • R41.840 Attention and concentration deficit
R48 Dyslexia and other symbolic dysfunctions, not elsewhere classified4 codes
ICD-10-PCS

Procedure Codes

Procedure codes do not drive assignment for this DRG. DRG 886 is a Medical DRG, assigned from the principal diagnosis above.

Frequently Asked Questions

What is MS-DRG 886?

MS-DRG 886 (Behavioral and Developmental Disorders) is a medical DRG in MDC 19 (Mental Diseases & Disorders). Its FY 2026 relative weight is 2.0753 with a geometric mean length of stay of 5.9 days.

How many diagnosis codes group to DRG 886?

46 ICD-10-CM principal diagnosis codes group to this DRG, spanning 14 three-character categories.

What is the relative weight of DRG 886?

The FY 2026 relative weight of this DRG is 2.0753, meaning reimbursement of roughly 2.08 times the average Medicare inpatient case. Multiply by a hospital's blended base rate for the approximate payment.

← PreviousDRG 885 – Psychoses
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.