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ICD-10 Guide
DiagnosesMcl Tear

Mcl Tear

ICD-10 Coding for MCL Tear(S83.432A, M23.361)

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

Diagnosis Overview

What is Mcl Tear?
Essential facts and insights about MCL Tear

Key Clinical Considerations:

  • Knee pain and swelling
  • Instability of the knee joint
  • Locking or catching sensation in the knee

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of trauma or sports injury
  • Detailed description of symptoms and physical exam findings
  • Imaging results (MRI or X-ray) indicating MCL tear

Coding Guidelines

Usage Guidelines & Examples

  • Ensure accurate laterality is documented to avoid claim denials.
  • Common errors include using incorrect codes for partial tears.

Code Exclusions

Important Exclusions

  • Fractures of the knee joint
  • Tear of other ligaments (e.g., ACL, PCL)

Related ICD-10 Codes

Primary Codes
S83.432A
Tear of medial collateral ligament of right knee, initial encounter
S83.431A
Tear of medial collateral ligament of left knee, initial encounter
Ancillary Codes
Z47.89
Differential Codes
S83.412A

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Orthopedics

Specialty Applications

  • Athletes, individuals with knee injuries
  • Orthopedic clinics, sports medicine 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 mechanism of injury, symptoms, and imaging results.

Billing considerations?

Ensure correct ICD-10 code is used based on laterality and encounter type.