ICD-10 Guide

Pain In The Right Knee

ICD-10 Coding for Pain in the Right Knee(M25.561, M17.11, M23.21)

PRIMARY SPECIALTYOrthopedics

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Pain In The Right Knee?

Essential facts and insights about Pain in the Right Knee

Key Clinical Considerations:

Localized pain in the right knee, swelling, stiffness, and reduced range of motion.
MRI or X-ray findings indicating joint effusion, cartilage damage, or meniscal tears.
Tenderness over the medial or lateral joint line, positive McMurray test, and crepitus during movement.

Clinical Information

Clinical Criteria & Documentation Requirements

Patient history including onset, duration, and characteristics of pain; previous treatments; and functional limitations.
Use of specific terms such as 'osteoarthritis', 'meniscus tear', or 'ligament injury' for accurate coding.
Examples include detailed descriptions of physical exam findings and imaging results.

Coding Guidelines

Usage Guidelines & Examples

Follow guidelines for distinguishing between acute and chronic conditions.
Common errors include misclassifying the type of knee injury or failing to document the severity.

Code Exclusions

Important Exclusions

Fractures, dislocations, and infections of the knee.
Alternative codes for left knee conditions or bilateral knee issues.

Specialty Focus

Primary Specialty

Orthopedics

Specialty Applications

Adults with knee pain, athletes with sports-related injuries, and elderly patients with degenerative conditions.
Orthopedic clinics, physical therapy centers, and urgent care facilities.

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?

Include detailed patient history, physical exam findings, and imaging results.

Billing considerations?

Ensure accurate coding to reflect the specific diagnosis and any associated procedures.

Pain In The Right Knee

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?

Pain In The Right Knee

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?