Overview

ICD10 code F90.9 refers to Attention-deficit hyperactivity disorder (ADHD), unspecified type. This neurodevelopmental disorder affects both children and adults, impacting daily functioning across multiple settings.

Symptoms

Inattention Signs:

Difficulty maintaining focus on tasks
Easily distracted by external stimuli
Problems with organization
Frequently losing important items
Forgetfulness in daily activities
Trouble following instructions

Hyperactivity/Impulsivity Signs:

Fidgeting or squirming
Difficulty remaining seated
Excessive running or climbing
Trouble playing quietly
Often "on the go"
Excessive talking and interrupting

Diagnosis

ADHD diagnosis requires comprehensive evaluation including:

Detailed medical history
Behavioral observations
Rating scales and assessments
Input from multiple settings (home, school, work)
Ruling out other conditions

ICD10 Code Usage

Code F90.9 is used when:

ADHD type is not yet specified
Documentation for insurance claims
Treatment planning
Educational accommodations
Research and statistics

Related Codes

Treatment Approaches

Medication management
Behavioral therapy
Parent/family training
Educational support
Lifestyle modifications
Social skills training

FAQs

Q1: What's the difference between F90.9 and specific ADHD types?
A: F90.9 is used when ADHD is diagnosed but the specific type (combined, inattentive, or hyperactive) hasn't been determined.

Q2: Can adults be diagnosed with ADHD?
A: Yes, while ADHD often begins in childhood, it can persist into or be diagnosed in adulthood.