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ICD-10 Guide
ICD-10 CodesC44.4

C44.4

Billable

Other and unspecified malignant neoplasm of skin of scalp and neck

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 C44.4 is a billable code used to indicate a diagnosis of other and unspecified malignant neoplasm of skin of scalp and neck.

Key Diagnostic Point:

C44.4 refers to malignant neoplasms of the skin located on the scalp and neck that do not fall into more specific categories of skin cancer, such as melanoma or basal cell carcinoma. These neoplasms can arise from various skin cells and may present as lesions that are often asymptomatic in early stages. Risk factors include prolonged sun exposure, which can lead to DNA damage in skin cells, resulting in malignant transformations. Surgical intervention is typically required for diagnosis and treatment, which may include excision of the tumor with clear surgical margins to ensure complete removal. Reconstruction may be necessary depending on the size and location of the excised lesion, particularly in cosmetically sensitive areas like the face and scalp. Accurate coding is essential for appropriate treatment planning and reimbursement, as well as for tracking epidemiological trends in skin cancer incidence.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in documentation of tumor type and characteristics
  • Need for precise surgical margin descriptions
  • Differentiation from benign skin lesions
  • Potential for multiple neoplasms in the same area

Audit Risk Factors

  • Inadequate documentation of tumor characteristics
  • Failure to document surgical margins
  • Lack of clarity on the type of reconstruction performed
  • Inconsistent coding of multiple lesions

Specialty Focus

Medical Specialties

Dermatology

Documentation Requirements

Detailed descriptions of lesions, including size, location, and histological findings.

Common Clinical Scenarios

Diagnosis and treatment of skin cancers, including Mohs micrographic surgery.

Billing Considerations

Ensure clear documentation of margins and any reconstruction performed.

Oncology

Documentation Requirements

Comprehensive treatment plans, including chemotherapy or radiation if applicable.

Common Clinical Scenarios

Management of advanced skin cancers requiring multidisciplinary approaches.

Billing Considerations

Document any systemic therapies or clinical trials involved in treatment.

Coding Guidelines

Inclusion Criteria

Use C44.4 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code is used only when the neoplasm is confirmed as malignant
  • Document the specific site and characteristics of the neoplasm, and ensure that any surgical interventions are well
  • documented

Exclusion Criteria

Do NOT use C44.4 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

17311CPT Code

Excision, malignant skin lesion

Clinical Scenario

Used when excising a malignant neoplasm coded as C44.4.

Documentation Requirements

Document size, location, and margins of the excised lesion.

Specialty Considerations

Dermatologists should ensure detailed operative notes are available.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of skin cancers, improving data accuracy and facilitating better tracking of cancer incidence and treatment outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of skin cancers, improving data accuracy and facilitating better tracking of cancer incidence and treatment outcomes.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of skin cancers, improving data accuracy and facilitating better tracking of cancer incidence and treatment outcomes.

Resources

Clinical References

  • •
    American Academy of Dermatology
  • •
    National Cancer Institute

Coding & Billing References

  • •
    American Academy of Dermatology
  • •
    National Cancer Institute

Frequently Asked Questions

What types of lesions are coded under C44.4?

C44.4 is used for unspecified malignant neoplasms of the skin on the scalp and neck, which may include various types of skin cancers that do not fit into more specific categories.

How do I ensure accurate coding for surgical margins?

Document the exact measurements of surgical margins and any additional procedures performed to ensure clarity and compliance with coding guidelines.