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v1.0.0
ICD-10 Guide
DiagnosesRight Foot Osteomyelitis

Right Foot Osteomyelitis

ICD-10 Coding for Right Foot Osteomyelitis(M86.171, M86.371)

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

Diagnosis Overview

What is Right Foot Osteomyelitis?
Essential facts and insights about Right Foot Osteomyelitis

Key Clinical Considerations:

  • Localized pain and swelling in the right foot
  • Fever and chills may be present
  • Presence of an open wound or ulcer
  • Key diagnostic tests include MRI or bone scan showing infection
  • Blood cultures may reveal causative organisms
  • Physical exam findings may include tenderness, erythema, and warmth over the affected area

Clinical Information

Clinical Criteria & Documentation Requirements

  • Required documentation elements include patient history, physical exam findings, and imaging results
  • Specific coding terminology includes 'osteomyelitis', 'right foot', and 'acute/chronic'
  • Documentation examples: 'Patient presents with signs of infection in the right foot, confirmed by MRI findings of osteomyelitis.'

Coding Guidelines

Usage Guidelines & Examples

  • Usage guidelines: Use specific codes based on the type of osteomyelitis and affected area.
  • Common errors: Misclassifying acute vs chronic osteomyelitis.

Code Exclusions

Important Exclusions

  • Excluded conditions: Osteomyelitis of other sites, diabetic foot ulcers without infection.
  • Alternative codes: Consider codes for related complications or underlying conditions.

Related ICD-10 Codes

Primary Codes
M86.171
Other acute osteomyelitis, right foot
M86.172
Other chronic osteomyelitis, right foot
Ancillary Codes
B95.6
Differential Codes
M86.071
M86.171

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Podiatry

Specialty Applications

  • Patient populations: Diabetic patients, those with peripheral vascular disease, and post-surgical patients.
  • Clinical settings: Podiatry clinics, hospitals, and outpatient surgical centers.

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 examination findings, and imaging results.

Billing considerations?

Ensure accurate coding based on the type and duration of osteomyelitis.