ICD-10 Guide

Right Ankle Instability

ICD-10 Coding for Right Ankle Instability(M24.271, M25.371)

PRIMARY SPECIALTYOrthopedics

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Right Ankle Instability?

Essential facts and insights about Right Ankle Instability

Key Clinical Considerations:

Chronic pain or discomfort in the right ankle
Frequent episodes of ankle giving way or instability
Swelling or tenderness around the ankle joint
Difficulty with weight-bearing activities

Clinical Information

Clinical Criteria & Documentation Requirements

Patient history including previous ankle injuries
Detailed physical examination findings
Results from imaging studies (e.g., MRI, X-ray)
Assessment of functional limitations

Coding Guidelines

Usage Guidelines & Examples

Follow usage guidelines for coding ankle instability.
Common errors include misclassifying the severity of instability.

Code Exclusions

Important Exclusions

Fractures of the ankle
Other ligamentous injuries not related to instability

Specialty Focus

Primary Specialty

Orthopedics

Specialty Applications

Athletes with recurrent ankle injuries
Patients with a history of ankle sprains

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 patient history, physical exam findings, and imaging results.

What are the billing considerations?

Ensure accurate coding and documentation to support medical necessity.

Right Ankle Instability

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

What are the documentation requirements?

What are the billing considerations?

Right Ankle Instability

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

What are the documentation requirements?

What are the billing considerations?