F90.9 Attention-deficit hyperactivity disorder, unspecified type
The ICD-10-CM code for Attention-deficit hyperactivity disorder, unspecified type is F90.9 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- F90-F98: Behavioral and emotional disorders with onset usually occurring in childhood and adolescence (F90-F98)
- Category F90
- 6 codes (5 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to F90.9:
- Hyperactive, hyperactivity
- Hyperactive, hyperactivity › child
- Disorder (of) › attention-deficit hyperactivity (adolescent) (adult) (child)
Inclusion Terms
- Attention-deficit hyperactivity disorder of childhood or adolescence NOS
- Attention-deficit hyperactivity disorder NOS
U.S. Hospital Utilization
- An estimated 370,290 U.S. inpatient stays in 2023 included F90.9 among the documented diagnoses.
- 1,795 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Prevalence & Statistics
- An estimated 7 million (11.4%) U.S. children aged 3–17 years have ever been diagnosed with ADHD, according to a national parent survey using 2022 data. (CDC (ADHD Data and Statistics, National Survey of Children's Health), 2022)
Official Coding Guidelines
Pain disorders related to psychological factors (TOC entry)a. Pain disorders related to psychological factors ..................................................................... 43
Psychoactive substance use disorders (TOC entry)b. Mental and behavioral disorders due to psychoactive substance use ................................... 43
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026