ICD-10 Guide

Subungual Hematoma

ICD-10 Coding for Subungual Hematoma(S60.12XA, S90.12XA)

PRIMARY SPECIALTYEmergency Medicine

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Subungual Hematoma?

Essential facts and insights about Subungual Hematoma

Key Clinical Considerations:

Pain and tenderness under the nail
Discoloration (purple/black) of the nail bed
Swelling around the nail

Clinical Information

Clinical Criteria & Documentation Requirements

Patient history of trauma to the nail
Description of nail appearance and symptoms
Assessment of nail integrity and surrounding tissue

Coding Guidelines

Usage Guidelines & Examples

Follow guidelines for coding traumatic injuries.
Common errors include misclassifying the severity of the hematoma.

Code Exclusions

Important Exclusions

Nail avulsion
Fractures of the distal phalanx

Specialty Focus

Primary Specialty

Emergency Medicine

Specialty Applications

Adults and children with nail injuries
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 mechanism of injury, symptoms, and any treatment provided.

What are the billing considerations?

Ensure accurate coding based on the severity and treatment provided.

Subungual Hematoma

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?

Subungual Hematoma

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?