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v1.0.0
ICD-10 Guide
DiagnosesNonverbal

Nonverbal

ICD-10 Coding for Nonverbal Learning Disorder(F81.9)

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

Diagnosis Overview

What is Nonverbal?
Essential facts and insights about Nonverbal Learning Disorder

Key Clinical Considerations:

  • Inability to use verbal communication effectively
  • Presence of nonverbal communication methods (gestures, facial expressions)
  • Associated behavioral issues (e.g., social withdrawal, anxiety)

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history and developmental milestones
  • Assessment of nonverbal communication skills
  • Behavioral observations and interactions

Coding Guidelines

Usage Guidelines & Examples

  • Ensure correct application of codes based on specific nonverbal communication issues.
  • Common errors include misclassifying nonverbal communication disorders with other speech disorders.

Code Exclusions

Important Exclusions

  • Conditions primarily affecting verbal communication (e.g., speech disorders)
  • Alternative codes for other developmental disorders

Related ICD-10 Codes

Primary Codes
F80.2
Mixed receptive-expressive language disorder
F84.0
Autistic disorder
Ancillary Codes
F90.9
Differential Codes
F84.0

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Psychology

Specialty Applications

  • Children with developmental delays
  • Individuals with autism spectrum disorders
  • Clinical settings such as schools and therapy clinics

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, assessment results, and treatment plans.

What are the billing considerations?

Ensure accurate coding and documentation to support claims for therapy services.