Overview of CPT Code 21720: Excision of benign skin lesion

Overview of CPT Code 21720: Excision of benign skin lesion

CPT Code 21720 refers to the surgical excision of a benign skin lesion, which is a non-cancerous growth on the skin. This procedure is performed to remove lesions that may cause discomfort, cosmetic concerns, or have the potential for changes that could lead to malignancy.

When CPT Code 21720 is Used?

This code is applicable in various clinical scenarios.

• Removal of a benign mole that is causing irritation or discomfort.
• Excision of a dermatofibroma that is unsightly or bothersome.
• Surgical removal of a seborrheic keratosis that is changing in appearance.
• Excision of a lipoma that is growing or causing pain.

Symptoms Indicating This Procedure

Patients may report several symptoms that warrant this procedure.

• Persistent itching or irritation at the site of the lesion.
• Changes in the size, shape, or color of the lesion.
• Bleeding or oozing from the lesion.
• Pain or discomfort associated with the lesion.

Causes and Risk Factors

Understanding the causes and risk factors can help in prevention.

• Genetic predisposition to skin lesions.
• Sun exposure leading to skin changes.
• Age-related skin changes.
• Previous skin injuries or trauma.

Diagnostic Tests Before Procedure

Certain tests may be conducted to confirm the need for excision.

• Physical examination of the lesion.
• Dermatoscopy to assess the characteristics of the lesion.
• Biopsy if there is suspicion of malignancy.

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 makes an incision around the lesion.
• The lesion is carefully excised along with a margin of healthy tissue.
• The incision is closed with sutures or adhesive strips.

Preparation for the Procedure

Patients should follow specific guidelines before the procedure.

• Avoid blood thinners for a week prior to the procedure.
• Inform the doctor of any allergies or medications.
• Arrive with clean skin, free of lotions or creams.
• Arrange for transportation if sedation is used.

Recovery and Aftercare

Post-procedure care is crucial for healing.

• Keep the area clean and dry for the first few days.
• Change dressings as instructed by the healthcare provider.
• Avoid strenuous activities for at least a week.
• Take prescribed pain medications as needed.

Possible Complications

While generally safe, there are potential risks.

• Infection at the site of excision.
• Scarring or changes in skin pigmentation.
• Delayed healing of the wound.
• Recurrence of the lesion.

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Post-Procedure Follow-Up

Follow-up is essential to monitor healing.

• Schedule a follow-up appointment within 1-2 weeks.
• Monitor for signs of infection or complications.
• Discuss pathology results if a biopsy was performed.

Alternative Treatments

Non-surgical options may be considered in some cases.

• Cryotherapy for superficial lesions.
• Topical treatments for certain benign skin conditions.
• Laser therapy for cosmetic concerns.

Home Care Tips

Simple tips can aid in recovery.

• Keep the excision site clean and dry.
• Avoid picking at scabs or the incision.
• Use sunscreen on the area once healed.
• Stay hydrated and maintain a healthy diet.

Patient Education & Prevention

Education is key to preventing future lesions.

• Regular skin checks for new or changing lesions.
• Use sunscreen to protect skin from UV damage.
• Avoid tanning beds and excessive sun exposure.
• Consult a dermatologist for any skin concerns.

Billing and Coding Information

CPT Code: 21720

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 $200 to $1,500.
• Insurance may cover the procedure if deemed medically necessary.
• Out-of-pocket costs depend on the insurance plan.

Related CPT Codes

• 21700 - Excision of benign skin lesion
• 11400 - Excision, benign skin lesion, face, ears, scalp, neck; excised diameter over 4.0 cm.
• 11401 - Excision, benign skin lesion, face, ears, scalp, neck; excised diameter over 4.0 cm.
• 11402 - Excision, benign 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

References and Sources

• American Academy of Dermatology
• Mayo Clinic - Skin Lesions
• Cleveland Clinic - Skin Lesions