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v1.0.0
ICD-10 Guide
DiagnosesParonychia Finger

Paronychia Finger

ICD-10 Coding for Paronychia of the Finger(L03.011, L03.012)

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

Diagnosis Overview

What is Paronychia Finger?
Essential facts and insights about Paronychia of the Finger

Key Clinical Considerations:

  • Redness, swelling, and pain around the nail
  • Pus or drainage from the nail fold
  • Tenderness upon palpation of the affected area

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of nail trauma or infection
  • Description of symptoms and duration
  • Assessment of any systemic symptoms or comorbidities

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for coding based on acute vs. chronic paronychia.
  • Common errors include misclassifying the condition as a different type of skin infection.

Code Exclusions

Important Exclusions

  • Nail dystrophies or other nail disorders
  • Codes for systemic infections or unrelated skin conditions

Related ICD-10 Codes

Primary Codes
L03.011
Paronychia, finger
Ancillary Codes
B95.6
Differential Codes
B00.8

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Emergency Medicine

Specialty Applications

  • Patients with recent nail trauma or those with compromised immune systems
  • Emergency departments and urgent care settings

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 onset, duration, and severity of symptoms, along with any treatments provided.

What are the billing considerations?

Ensure accurate coding based on the severity and any associated procedures performed.