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ICD-10 Guide
ICD-10 CodesL89.304

L89.304

Billable

Pressure ulcer of unspecified buttock, stage 4

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

Code Description

ICD-10 L89.304 is a billable code used to indicate a diagnosis of pressure ulcer of unspecified buttock, stage 4.

Key Diagnostic Point:

Pressure ulcers, also known as bedsores or decubitus ulcers, are localized injuries to the skin and underlying tissue, primarily caused by prolonged pressure, often in patients with limited mobility. A stage 4 pressure ulcer is characterized by full-thickness tissue loss, exposing muscle, bone, or supporting structures such as tendons or joints. In the case of an unspecified buttock, the ulcer may present as a deep crater with necrotic tissue and may also involve tunneling or undermining. The anatomy involved includes the skin layers (epidermis, dermis) and subcutaneous tissue, with potential involvement of deeper structures. Disease progression can lead to severe complications, including infections, sepsis, and increased morbidity. Diagnostic considerations include a thorough clinical assessment, staging of the ulcer, and evaluation of the patient's overall health status, including comorbidities that may affect healing, such as diabetes or vascular disease. Regular monitoring and reassessment are crucial for effective management and treatment planning.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Diagnostic complexity
  • Treatment complexity
  • Documentation requirements
  • Coding specificity

Audit Risk Factors

  • Common coding errors include misclassification of ulcer stage
  • Documentation gaps may arise from insufficient clinical notes on ulcer assessment
  • Billing challenges can occur if the treatment plan is not clearly outlined or if there is a lack of evidence for the necessity of care

Specialty Focus

Medical Specialties

Wound Care

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

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

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Pressure ulcers significantly impact patient quality of life and healthcare costs. They are associated with increased hospital stays, higher rates of morbidity, and can lead to severe complications. Understanding the epidemiology of pressure ulcers is crucial, as they are prevalent in populations with limited mobility, such as the elderly and those with chronic illnesses. Quality measures often focus on prevention and management strategies to reduce the incidence of pressure ulcers in healthcare settings.

ICD-9 vs ICD-10

Pressure ulcers significantly impact patient quality of life and healthcare costs. They are associated with increased hospital stays, higher rates of morbidity, and can lead to severe complications. Understanding the epidemiology of pressure ulcers is crucial, as they are prevalent in populations with limited mobility, such as the elderly and those with chronic illnesses. Quality measures often focus on prevention and management strategies to reduce the incidence of pressure ulcers in healthcare settings.

Reimbursement & Billing Impact

Reimbursement considerations include the severity of the ulcer, the treatment provided, and the patient's overall health status. Common denials may arise from insufficient documentation or failure to demonstrate medical necessity for advanced wound care treatments. Best practices include maintaining thorough clinical notes, ensuring accurate coding of the ulcer stage, and regularly updating treatment plans based on patient progress.

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 L89.304?

L89.304 specifically covers stage 4 pressure ulcers located on the unspecified buttock. It is critical to differentiate this from other stages of pressure ulcers and other skin conditions that may present similarly.

When should L89.304 be used instead of related codes?

L89.304 should be used when documenting a stage 4 pressure ulcer on the buttock, particularly when the ulcer is deep and involves underlying structures. It is important to use this code when the specific location is not documented.

What documentation supports L89.304?

Documentation must include a detailed description of the ulcer's characteristics, staging, assessment of surrounding skin, patient mobility status, and any comorbid conditions that may impact healing.