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v1.0.0
ICD-10 Guide
DiagnosesOdd

Odd

ICD-10 Coding for Oppositional Defiant Disorder(F91.3)

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

Diagnosis Overview

What is Odd?
Essential facts and insights about Oppositional Defiant Disorder

Key Clinical Considerations:

  • Unusual behavioral patterns or developmental delays
  • Psychological assessments indicating atypical development
  • Physical examination revealing non-specific anomalies

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including developmental milestones
  • Use of specific terms like 'atypical' or 'non-conforming'
  • Examples of documented observations in clinical notes

Coding Guidelines

Usage Guidelines & Examples

  • Follow usage guidelines for developmental disorders.
  • Common errors include misclassifying behavioral issues as purely psychological.

Code Exclusions

Important Exclusions

  • Autism spectrum disorders
  • Attention-deficit hyperactivity disorder (ADHD)

Related ICD-10 Codes

Primary Codes
F84.9
Pervasive developmental disorder, unspecified
R62.50
Unspecified lack of expected normal physiological development in childhood
Ancillary Codes
F90.x
F91.3
when ADHD is a comorbidity.
Differential Codes
F91.1
F91.2

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Pediatrics

Specialty Applications

  • Children with developmental concerns
  • Pediatric outpatient and inpatient settings

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

What are the documentation requirements?

Include detailed patient history and specific behavioral observations.

What are the billing considerations?

Ensure accurate coding to reflect the diagnosis and any associated therapies.