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ICD-10 Guide
DiagnosesRight Knee Swelling

Right Knee Swelling

ICD-10 Coding for Right Knee Swelling(M25.461, M17.11)

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

Diagnosis Overview

What is Right Knee Swelling?
Essential facts and insights about Right Knee Swelling

Key Clinical Considerations:

  • Swelling in the right knee joint
  • Pain and tenderness around the knee
  • Limited range of motion

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including onset and duration of swelling
  • Physical examination findings including joint stability and tenderness
  • Imaging results such as X-rays or MRI findings

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for specificity in coding knee conditions.
  • Common errors include using unspecified codes when more specific codes are available.

Code Exclusions

Important Exclusions

  • Fractures of the knee
  • Infections or inflammatory conditions like gout

Related ICD-10 Codes

Primary Codes
M25.461
Swelling of right knee
M17.9
Osteoarthritis of knee, unspecified
Ancillary Codes
G89.11
Differential Codes
M25.561
M71.231
M17.2-

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Orthopedics

Specialty Applications

  • Adults and children with knee issues
  • Orthopedic clinics and emergency departments

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 history, physical exam findings, and imaging results.

Billing considerations?

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