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ICD-10 Guide
ICD-10 CodesS01.421

S01.421

Billable

Laceration with foreign body of right cheek and temporomandibular area

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

Code Description

ICD-10 S01.421 is a billable code used to indicate a diagnosis of laceration with foreign body of right cheek and temporomandibular area.

Key Diagnostic Point:

S01.421 describes a laceration that occurs in the right cheek and temporomandibular area, which may involve the skin, subcutaneous tissue, and potentially deeper structures. This type of injury often results from trauma, such as a fall, an accident involving sharp objects, or an assault. The presence of a foreign body complicates the injury, as it may lead to infection, delayed healing, or further tissue damage. Clinical evaluation typically includes a thorough history of the incident, physical examination to assess the extent of the laceration, and imaging studies if necessary to evaluate for deeper injuries or foreign body location. Management often involves cleaning the wound, removing the foreign body, and suturing the laceration if indicated. Complications can include infection, scarring, and functional impairment of the temporomandibular joint (TMJ). Accurate coding is essential for proper reimbursement and to reflect the complexity of the injury.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Presence of foreign body complicates the injury
  • Location of injury involves critical structures (TMJ)
  • Potential for multiple treatment modalities
  • Need for detailed documentation of the injury mechanism

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to document the presence and removal of foreign body
  • Misclassification of the injury site
  • Lack of follow-up documentation for complications

Specialty Focus

Medical Specialties

Emergency Medicine

Documentation Requirements

Documentation must include a detailed account of the injury mechanism, assessment of the laceration, and any foreign body present.

Common Clinical Scenarios

Trauma cases presenting with facial lacerations from accidents or assaults.

Billing Considerations

Ensure that all relevant details about the injury and treatment are captured to support the complexity of the case.

Surgery

Documentation Requirements

Operative reports should detail the surgical approach, foreign body removal, and any reconstruction performed.

Common Clinical Scenarios

Surgical intervention for complex lacerations involving foreign bodies.

Billing Considerations

Document any complications or additional procedures performed during surgery.

Coding Guidelines

Inclusion Criteria

Use S01.421 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the injury site, mechanism, and any foreign bodies involved
  • Use additional codes as necessary to capture complications or related conditions

Exclusion Criteria

Do NOT use S01.421 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

Clinical Scenario

Used when performing a simple repair of the laceration.

Documentation Requirements

Document the size of the laceration and the technique used.

Specialty Considerations

Emergency and surgical specialties should ensure accurate coding of the repair procedure.

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 capture the presence of foreign bodies, which was less detailed in ICD-9.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specificity in coding injuries, including the ability to capture the presence of foreign bodies, which was less detailed in ICD-9.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specificity in coding injuries, including the ability to capture the presence of foreign bodies, which was less detailed in ICD-9.

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 should be documented for a laceration with a foreign body?

Document the mechanism of injury, the type of foreign body, the extent of the laceration, and any treatment provided, including foreign body removal.