Melanoma in situ
Chapter 2:Neoplasms
ICD-10 D03 is a billable code used to indicate a diagnosis of melanoma in situ.
Melanoma in situ (D03) refers to a localized form of melanoma where malignant cells are confined to the epidermis and have not invaded deeper layers of the skin. This condition is characterized by atypical melanocytes that exhibit abnormal growth patterns but lack the ability to metastasize. Melanoma in situ is often asymptomatic and may present as a pigmented lesion or a change in an existing mole. Early detection is crucial, as the prognosis is significantly better when treated at this stage. The most common subtype is superficial spreading melanoma, but other variants such as lentigo maligna melanoma can also present as in situ. Diagnosis typically involves a biopsy, and treatment usually consists of surgical excision with clear margins. Surveillance protocols post-treatment include regular skin examinations and patient education on self-monitoring for changes in skin lesions. The risk of progression to invasive melanoma is present, particularly if the lesion is not adequately treated, making ongoing surveillance essential.
Detailed descriptions of the lesion, biopsy results, and treatment plans.
Diagnosis and treatment of atypical moles, follow-up of previously diagnosed melanoma.
Ensure clear documentation of margins and follow-up care to prevent misclassification.
Comprehensive treatment plans, including surgical and adjuvant therapies.
Management of melanoma patients post-surgery, monitoring for recurrence.
Documenting the patient's history and any signs of progression is critical.
Used when excising a melanoma in situ lesion.
Document the size of the lesion and margins excised.
Dermatologists should ensure clear documentation of the lesion type and treatment plan.
Melanoma in situ is confined to the epidermis and has not invaded deeper tissues, while invasive melanoma has penetrated beyond the epidermis and may metastasize.