ICD-10 Guide

Left Lower Extremity Wound

ICD-10 Coding for Left Lower Extremity Wound(S81.802A, S81.842A)

PRIMARY SPECIALTYEmergency Medicine

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Left Lower Extremity Wound?

Essential facts and insights about Left Lower Extremity Wound

Key Clinical Considerations:

Pain, swelling, and redness in the left lower extremity
Wound assessment including size, depth, and presence of infection
Palpation revealing tenderness and possible crepitus

Clinical Information

Clinical Criteria & Documentation Requirements

Detailed description of the wound including location and characteristics
Use of specific terminology such as 'laceration', 'abrasion', or 'ulceration'
Examples include: 'Left lower extremity laceration, 3 cm in length, with moderate bleeding'

Coding Guidelines

Usage Guidelines & Examples

Follow guidelines for coding based on wound depth and complexity.
Common errors include misclassifying the wound type or neglecting to document the encounter type.

Code Exclusions

Important Exclusions

Open fractures of the left lower extremity
Burns or frostbite affecting the left lower extremity

Specialty Focus

Primary Specialty

Emergency Medicine

Specialty Applications

Patients with traumatic injuries, diabetic ulcers, or post-surgical wounds
Emergency departments, urgent care centers, and outpatient clinics

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?

Document the mechanism of injury, wound characteristics, and treatment provided.

What are the billing considerations?

Ensure accurate coding based on the wound type and treatment level to avoid denials.

Left Lower Extremity Wound

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?

Left Lower Extremity Wound

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?