ICD-10 Guide

Attention Deficit Disorder

ICD-10 Coding for Attention Deficit Disorder(F90.0, F90.9)

PRIMARY SPECIALTYPsychiatry

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Attention Deficit Disorder?

Essential facts and insights about Attention Deficit Disorder

Key Clinical Considerations:

Inattention, hyperactivity, impulsivity
Behavioral assessments, rating scales (e.g., Conners Scale)
No significant physical abnormalities; possible signs of anxiety or mood disorders

Clinical Information

Clinical Criteria & Documentation Requirements

Patient history, symptom duration, impact on functioning
ICD-10 terminology: F90.0 (ADHD, predominantly inattentive type), F90.1 (ADHD, predominantly hyperactive-impulsive type)
Example: 'Patient exhibits symptoms of inattention and hyperactivity for over 6 months, affecting academic performance.'

Coding Guidelines

Usage Guidelines & Examples

Follow DSM-5 criteria for diagnosis; avoid using outdated codes.
Common errors include misdiagnosing as anxiety or mood disorders.

Code Exclusions

Important Exclusions

Excludes: Oppositional defiant disorder, conduct disorder
Alternative codes: F90.8 (Other specified ADHD)

Specialty Focus

Primary Specialty

Psychiatry

Specialty Applications

Children and adolescents, adults with persistent symptoms
Outpatient psychiatric settings, educational assessments

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

Comprehensive clinical documentation
Accurate code selection based on clinical criteria
Proper exclusion considerations
Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

Ensure proper documentation for billing
Verify code specificity requirements
Check for any additional codes needed
Review payer-specific guidelines

Common Issues

Insufficient clinical documentation
Incorrect code selection
Missing supporting diagnoses
Timing and frequency documentation

Frequently Asked Questions

Documentation requirements?

Document symptoms, duration, and impact on daily life.

Billing considerations?

Ensure accurate coding to reflect the type of ADHD for proper reimbursement.

Attention Deficit Disorder

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

Documentation requirements?

Billing considerations?

Attention Deficit Disorder

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

Documentation requirements?

Billing considerations?