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ICD-10 Guide
ICD-10 CodesL03.112

L03.112

Billable

Cellulitis of left axilla

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 L03.112 is a billable code used to indicate a diagnosis of cellulitis of left axilla.

Key Diagnostic Point:

L03.112 refers to cellulitis of the left axilla, a bacterial skin infection characterized by inflammation of the skin and subcutaneous tissues. Clinically, patients may present with symptoms such as redness, swelling, warmth, and pain localized to the left axillary region. The condition often arises from breaks in the skin, such as cuts, insect bites, or surgical wounds, allowing bacteria, commonly Streptococcus or Staphylococcus species, to invade. The axilla, being a moist area, is particularly susceptible to infections. Disease progression can lead to systemic symptoms like fever and chills if left untreated. Diagnostic considerations include a thorough physical examination and patient history, as well as potential imaging or laboratory tests to rule out abscess formation or other complications. Early diagnosis and treatment are crucial to prevent the spread of infection and complications such as sepsis.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires clinical assessment to differentiate from other skin conditions.
  • Treatment complexity: May involve antibiotics and, in some cases, surgical intervention.
  • Documentation requirements: Detailed documentation of symptoms, treatment plan, and follow-up is essential.
  • Coding specificity: Specific to the left axilla, necessitating precise coding to avoid errors.

Audit Risk Factors

  • Common coding errors: Misidentification of the site or failure to specify laterality.
  • Documentation gaps: Incomplete records regarding the onset, treatment, and follow-up of the condition.
  • Billing challenges: Potential denials due to lack of specificity or inadequate documentation.

Specialty Focus

Medical Specialties

Dermatology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Infectious Disease

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Cellulitis, including L03.112, has significant clinical implications as it can lead to serious complications if not treated promptly. It affects a diverse population, particularly those with compromised immune systems or chronic conditions. Understanding the epidemiology of cellulitis can inform public health strategies and improve healthcare utilization patterns. Quality measures related to timely treatment and follow-up care are essential to reduce the incidence of severe outcomes.

ICD-9 vs ICD-10

Cellulitis, including L03.112, has significant clinical implications as it can lead to serious complications if not treated promptly. It affects a diverse population, particularly those with compromised immune systems or chronic conditions. Understanding the epidemiology of cellulitis can inform public health strategies and improve healthcare utilization patterns. Quality measures related to timely treatment and follow-up care are essential to reduce the incidence of severe outcomes.

Reimbursement & Billing Impact

Reimbursement considerations include the severity of the condition and the complexity of treatment. Common denials may arise from insufficient documentation or incorrect coding. Best practices include ensuring that all clinical notes are complete and that the diagnosis is clearly linked to the treatment provided. Regular audits of coding practices can help mitigate risks associated with billing for cellulitis.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for L00-L99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for L00-L99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by L03.112?

L03.112 specifically covers cellulitis localized to the left axilla, which may arise from various causes including trauma, insect bites, or surgical wounds. It is important to differentiate it from other skin infections such as abscesses or folliculitis.

When should L03.112 be used instead of related codes?

L03.112 should be used when the cellulitis is specifically located in the left axilla. If the infection is on the right side or in another location, the corresponding codes (e.g., L03.111 for the right axilla) should be utilized.

What documentation supports L03.112?

Documentation should include a detailed history of the presenting symptoms, physical examination findings, treatment provided, and any follow-up care. Clear notes on the location of the cellulitis and any underlying conditions are also critical.