F90.9 – Attention-Deficit Hyperactivity Disorder, Unspecified Type

F90.9 – Attention-Deficit Hyperactivity Disorder, Unspecified Type

Explore the F90.9 ICD-10 code for attention-deficit hyperactivity disorder, unspecified type, its clinical info, synonyms, related codes, and more.

By Patricia Buenaventura on Jul 16, 2025.

Fact Checked by Gale Alagos.

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F90.9 diagnosis code: Attention-deficit hyperactivity disorder, unspecified type

  • F90.9 is the ICD-10-CM code for attention-deficit hyperactivity disorder (ADHD), unspecified Type.
  • This code is used when insufficient information specifies a particular ADHD subtype.
  • ADHD is a neurodevelopmental disorder characterized by developmentally inappropriate inattention, hyperactivity, & impulsivity.
  • Symptoms must be present for at least six months and cause significant impairment in daily functioning.
  • Early diagnosis and intervention are crucial for improving long-term outcomes and minimizing potential complications.

Is F90.9 billable?

Yes, F90.9 is a billable ICD-10 code. Healthcare professionals can use this code for insurance claims and reimbursement purposes. However, accurate coding is essential for proper documentation and treatment planning.

Clinical information

  • ADHD, a behavior disorder originating from one's childhood, affects children, adolescents, and adults, causing academic, social, and occupational difficulties.
  • Although the precise cause of ADHD is unknown, genetics, environmental factors, and brain development may all play a role.
  • Assessment typically involves clinical interviews, behavioral observations, and rating scales completed by parents, caretakers, teachers, and the individual.
  • Treatment options for ADHD include behavioral therapy, medication, and educational interventions tailored to the individual's specific needs.
  • Ongoing monitoring and support are vital to ensure the effectiveness of interventions and adapt strategies as needed.

Synonyms include

  • ADHD, unspecified
  • Attention-deficit disorder, NOS (Not Otherwise Specified)
  • ADD, unspecified type
  • ADHD without a clear subtype
  • Unspecified attention-deficit disorder
  • Hyperkinetic developmental articulation disorder

Other ICD-10 codes commonly used for Attention-deficit hyperactivity disorder

  • F90.0: Attention-deficit hyperactivity disorder, predominantly inattentive type
  • F90.1: Attention-deficit hyperactivity disorder, predominantly hyperactive-impulsive type
  • F90.2: Attention-deficit hyperactivity disorder, combined type
  • F90.8: Attention-deficit hyperactivity disorder, other type

Related ICDs

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