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ICD-10 Guide
ICD-10 CodesC44.602

C44.602

Billable

Unspecified malignant neoplasm of skin of right upper limb, including shoulder

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

Code Description

ICD-10 C44.602 is a billable code used to indicate a diagnosis of unspecified malignant neoplasm of skin of right upper limb, including shoulder.

Key Diagnostic Point:

C44.602 refers to an unspecified malignant neoplasm of the skin located on the right upper limb, which includes the shoulder area. This code is used when a patient presents with a malignant skin tumor that has not been further specified, meaning the exact type of skin cancer (such as melanoma, basal cell carcinoma, or squamous cell carcinoma) is not documented. Skin cancers are often associated with sun exposure, particularly in areas of the body that are frequently exposed to ultraviolet (UV) radiation. Surgical intervention is typically required for treatment, which may involve excision of the tumor with clear surgical margins to ensure complete removal and minimize the risk of recurrence. Reconstruction may be necessary depending on the size and location of the excised tumor, particularly in cosmetically sensitive areas like the face or upper limb. Accurate coding is essential for proper treatment planning and reimbursement, and it requires thorough documentation of the diagnosis, treatment plan, and any surgical procedures performed.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Lack of specificity in the diagnosis
  • Variability in treatment approaches
  • Need for detailed documentation of surgical margins
  • Potential for reconstruction procedures

Audit Risk Factors

  • Insufficient documentation of tumor type
  • Inadequate details on surgical margins
  • Lack of clarity on reconstruction procedures
  • Failure to document patient history of sun exposure

Specialty Focus

Medical Specialties

Dermatology

Documentation Requirements

Detailed descriptions of the lesion, including size, location, and characteristics, as well as treatment plans and follow-up care.

Common Clinical Scenarios

Diagnosis and treatment of skin lesions, excision of malignant neoplasms, and management of post-surgical care.

Billing Considerations

Ensure clear documentation of the type of malignancy and any associated risk factors, such as sun exposure history.

Oncology

Documentation Requirements

Comprehensive cancer staging, treatment plans, and follow-up assessments.

Common Clinical Scenarios

Management of skin cancer patients, including chemotherapy or radiation therapy for advanced cases.

Billing Considerations

Accurate staging and documentation of treatment response are critical for coding and billing.

Coding Guidelines

Inclusion Criteria

Use C44.602 When
  • According to ICD
  • 10 coding guidelines, C44
  • 602 should be used when the specific type of malignant neoplasm is not documented
  • Coders should ensure that all relevant clinical information is captured to support the diagnosis and treatment provided

Exclusion Criteria

Do NOT use C44.602 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

11400CPT Code

Excision, malignant skin lesion, face, ears, eyelids, scalp; excised diameter up to 4.0 cm

Clinical Scenario

Used when excising a malignant skin lesion on the right upper limb.

Documentation Requirements

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

Specialty Considerations

Dermatologists should ensure accurate coding based on the excised diameter.

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 the ability to track and manage these conditions. C44.602 provides a means to code unspecified malignant neoplasms, which can help in understanding the prevalence and treatment outcomes of skin cancers.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of skin cancers, improving the ability to track and manage these conditions. C44.602 provides a means to code unspecified malignant neoplasms, which can help in understanding the prevalence and treatment outcomes of skin cancers.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    American Academy of Dermatology
  • •
    National Cancer Institute

Coding & Billing References

  • •
    American Academy of Dermatology
  • •
    National Cancer Institute

Frequently Asked Questions

What should I document to support the use of C44.602?

You should document the location, size, and characteristics of the lesion, the type of malignancy if known, surgical margins, and any reconstruction performed. Additionally, include patient history related to sun exposure and previous skin cancers.