Overview

ICD10 code F90.0 refers to Attention-deficit hyperactivity disorder, combined type. This specific presentation includes both inattentive and hyperactive-impulsive symptoms.

Diagnostic Criteria

For combined type ADHD, patients must show:

Six or more symptoms of inattention
Six or more symptoms of hyperactivity-impulsivity
Symptoms present for at least 6 months
Symptoms present in multiple settings

Inattention Symptoms

Poor attention to detail
Difficulty sustaining attention
Appears not to listen
Fails to complete tasks
Organizational difficulties
Avoids mentally demanding tasks
Loses necessary items
Easily distracted
Forgetful in daily activities

Hyperactivity-Impulsivity Symptoms

Fidgets or squirms
Leaves seat inappropriately
Runs or climbs excessively
Difficulty playing quietly
Often "on the go"
Talks excessively
Blurts out answers
Difficulty waiting turn
Interrupts or intrudes on others

ICD10 Code Usage

Code F90.0 is specifically used when:

Both symptom sets are clearly present
Symptoms significantly impact functioning
Documentation for specialized treatment
Educational planning

Related Codes

Treatment Approaches

Comprehensive medication management
Behavioral interventions
Educational accommodations
Parent training programs
Organizational skills training
Social skills development

FAQs

Q1: How is combined type different from other ADHD types?
A: Combined type ADHD requires both significant inattentive and hyperactive-impulsive symptoms, while other types predominantly show one or the other.

Q2: Can the type of ADHD change over time?
A: Yes, symptom presentation can change throughout development, potentially leading to a different type classification.