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ICD-10 Guide
ICD-10 CodesS01.302

S01.302

Billable

Unspecified open wound of left ear

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 S01.302 is a billable code used to indicate a diagnosis of unspecified open wound of left ear.

Key Diagnostic Point:

An unspecified open wound of the left ear refers to a traumatic injury that results in a break in the skin or mucous membrane of the ear, specifically on the left side. This type of injury can occur due to various mechanisms, including blunt force trauma, lacerations from sharp objects, or animal bites. The clinical presentation may include bleeding, pain, and potential exposure of underlying structures such as cartilage or bone. Diagnosis typically involves a thorough physical examination to assess the extent of the wound, any associated injuries, and the need for imaging studies if deeper structures are suspected to be involved. Management may include wound cleaning, suturing, and possibly antibiotic prophylaxis to prevent infection. Complications can arise, including infection, scarring, and potential damage to the ear's anatomy, which may affect hearing or cosmetic appearance. Accurate coding is essential for appropriate treatment and reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in documentation of wound type and severity
  • Need for specificity in coding related to the mechanism of injury
  • Potential for associated injuries that may require additional codes
  • Differentiation from similar codes for other ear injuries

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to specify the type of open wound (e.g., laceration vs. puncture)
  • Lack of follow-up documentation for wound care
  • Coding without confirming the laterality of the injury

Specialty Focus

Medical Specialties

Emergency Medicine

Documentation Requirements

Complete documentation of the injury mechanism, wound assessment, and immediate treatment provided.

Common Clinical Scenarios

Trauma cases from falls, sports injuries, or accidents leading to ear lacerations.

Billing Considerations

Ensure that all relevant details about the injury and treatment are captured to support the coding.

Surgery

Documentation Requirements

Detailed operative notes including the type of repair performed, any complications, and post-operative care.

Common Clinical Scenarios

Surgical intervention for complex lacerations or reconstruction of the ear.

Billing Considerations

Accurate coding of surgical procedures performed in conjunction with the wound care.

Coding Guidelines

Inclusion Criteria

Use S01.302 When
  • Follow the ICD
  • CM guidelines for coding injuries, ensuring that the code reflects the specific site and type of injury
  • Documentation must support the diagnosis and any associated procedures

Exclusion Criteria

Do NOT use S01.302 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

12001CPT Code

Simple repair of superficial wounds of the face, ears, eyelids, nose, scalp

Clinical Scenario

Used when a simple repair is performed on an open wound of the left ear.

Documentation Requirements

Operative notes must detail the repair method and any complications.

Specialty Considerations

Ensure that the procedure is documented in accordance with surgical standards.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specificity in coding injuries, including the ability to specify laterality, which is crucial for accurate treatment and reimbursement.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specificity in coding injuries, including the ability to specify laterality, which is crucial for accurate treatment and reimbursement.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is the difference between an open wound and a closed wound?

An open wound involves a break in the skin, exposing underlying tissues, while a closed wound does not break the skin and may involve bruising or swelling.