Overview of CPT Code 11603: Excision, malignant skin lesion, face, ears, scalp, neck; excised diameter over 4.0 cm.
CPT Code 11603 refers to the surgical excision of a malignant skin lesion located on the face, ears, scalp, or neck, where the excised diameter exceeds 4.0 cm. This procedure is typically performed to remove cancerous growths and prevent the spread of malignancy.
When CPT Code 11603 is Used?
This code is applicable in various clinical scenarios.
- Presence of a malignant skin lesion larger than 4.0 cm.
- Lesions that are suspected to be cancerous based on clinical examination.
- Need for complete removal of the lesion to ensure clear margins.
- Lesions located in cosmetically sensitive areas such as the face or neck.
Symptoms Indicating This Procedure
Patients may report several symptoms that warrant this procedure.
- Visible growth on the skin that changes in size, shape, or color.
- Bleeding or oozing from the lesion.
- Itching or irritation around the lesion.
- Pain or tenderness in the area of the lesion.
Causes and Risk Factors
Understanding the causes and risk factors can help in prevention.
- Excessive sun exposure leading to skin damage.
- History of skin cancer in the patient or family.
- Weakened immune system due to conditions like HIV or medications.
- Fair skin type that is more susceptible to UV damage.
Diagnostic Tests Before Procedure
Certain tests may be conducted to confirm the diagnosis.
- Skin biopsy to determine the nature of the lesion.
- Imaging studies like ultrasound if deeper tissue involvement is suspected.
- Dermatoscopy for detailed examination of the skin lesion.
Procedure Description
The excision procedure follows a systematic approach.
- Patient is positioned comfortably and the area is cleaned.
- Local anesthesia is administered to numb the area.
- The surgeon excises the lesion along with a margin of healthy tissue.
- The excised tissue is sent for pathological examination.
- The wound is closed with sutures or adhesive strips.
Preparation for the Procedure
Patients should follow specific guidelines before the procedure.
- Avoid blood-thinning medications like aspirin a week prior.
- Inform the doctor about any allergies or medical conditions.
- Arrive with clean skin, free of lotions or makeup.
- Arrange for transportation post-procedure if sedation is used.
Recovery and Aftercare
Post-procedure care is crucial for healing.
- Keep the surgical site clean and dry.
- Change dressings as instructed by the healthcare provider.
- Take prescribed pain medications as needed.
- Avoid strenuous activities for at least a week.
Possible Complications
While complications are rare, they can occur.
- Infection at the surgical site.
- Excessive bleeding during or after the procedure.
- Scarring or changes in skin pigmentation.
- Recurrence of the malignant lesion.


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Learn morePost-Procedure Follow-Up
Follow-up is essential for monitoring recovery.
- Schedule a follow-up appointment within 1-2 weeks.
- Monitor for signs of infection or complications.
- Discuss pathology results and further treatment if necessary.
Alternative Treatments
There are non-surgical options available.
- Topical chemotherapy for superficial skin cancers.
- Cryotherapy to freeze and destroy abnormal cells.
- Photodynamic therapy using light to treat certain skin cancers.
Home Care Tips
Simple tips can aid in recovery at home.
- Keep the area clean and avoid touching it unnecessarily.
- Use sunscreen to protect the healing skin from UV rays.
- Stay hydrated and maintain a balanced diet to support healing.
- Report any unusual symptoms to your healthcare provider.
Patient Education & Prevention
Education is key to preventing skin cancer.
- Regular skin checks for new or changing lesions.
- Use sunscreen with a high SPF to protect against UV damage.
- Wear protective clothing and seek shade during peak sun hours.
- Avoid tanning beds and educate others about skin cancer risks.
Billing and Coding Information
CPT Code: 11603
Category: Surgical Procedures
Common Modifiers:
- 50 - Bilateral procedure
- RT - Right side
- LT - Left side
Average Cost and Insurance Coverage
Costs can vary based on several factors.
- Average cost ranges from $1,500 to $3,000.
- Insurance may cover the procedure if deemed medically necessary.
- Out-of-pocket costs depend on the patient's insurance plan.
Related CPT Codes
- 11602 - Excision, malignant skin lesion, face, ears, scalp, neck; excised diameter over 4.0 cm.
- 11604 - Excision, malignant skin lesion, face, ears, scalp, neck; excised diameter over 4.0 cm.
- 11406 - Excision, benign skin lesion; face, ears, scalp, neck, excised diameter over 4.0 cm
- 11403 - Excision, benign skin lesion, face, ears, scalp; excised diameter over 4.0 cm.
- 11402 - Excision, benign skin lesion, face, ears, scalp, neck; excised diameter over 4.0 cm.
References and Sources