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v1.0.0
ICD-10 Guide
DiagnosesAdhd

Adhd

ICD-10 Coding for Attention-Deficit/Hyperactivity Disorder(F90.0, F90.1, F90.2)

PRIMARY SPECIALTYPediatrics
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Adhd?
Essential facts and insights about Attention-Deficit/Hyperactivity Disorder

Key Clinical Considerations:

  • Inattention, hyperactivity, impulsivity
  • Behavioral assessments, rating scales (e.g., Conners, Vanderbilt)
  • Possible signs of fidgeting, difficulty following instructions, excessive talking

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history, symptom duration, impact on functioning
  • ICD-10 terminology: ADHD, combined presentation; ADHD, predominantly inattentive presentation; ADHD, predominantly hyperactive-impulsive presentation
  • Example: 'Patient exhibits symptoms of inattention and hyperactivity for over 6 months, affecting academic performance.'

Coding Guidelines

Usage Guidelines & Examples

  • Use F90.0 for inattentive symptoms only, F90.1 for hyperactive-impulsive symptoms only, and F90.2 for both.
  • Common errors include using the wrong code based on symptom presentation.

Code Exclusions

Important Exclusions

  • Excludes: Oppositional defiant disorder, conduct disorder
  • Alternative codes: F98.8 for other specified behavioral and emotional disorders

Related ICD-10 Codes

Primary Codes
F90.0
ADHD, predominantly inattentive presentation
F90.1
ADHD, predominantly hyperactive-impulsive presentation
F90.2
ADHD, combined presentation
Ancillary Codes
Z13.4
Z79.899
Z86.59
Differential Codes
F41.9
F32.9
F84.0

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Pediatrics

Specialty Applications

  • Children and adolescents, ages 6-18
  • Pediatric clinics, mental health facilities, schools

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 proper coding based on presentation type and document all assessments.