Overview of CPT Code 21700: Excision of benign skin lesion

Overview of CPT Code 21700: Excision of benign skin lesion

CPT Code 21700 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 21700 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 growing or changing.
• Surgical removal of a seborrheic keratosis for cosmetic reasons.
• Excision of a lipoma that is painful or bothersome.

Symptoms Indicating This Procedure

Patients may report various symptoms that lead to the decision for excision.

• Itching or irritation at the site of the lesion.
• Changes in the size, shape, or color of the lesion.
• Pain or tenderness associated with the lesion.
• Cosmetic concerns regarding the appearance of the lesion.

Causes and Risk Factors

Several factors can contribute to the development of benign skin lesions.

• Genetic predisposition to skin growths.
• 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 nature of the lesion.

• Physical examination of the lesion by a dermatologist.
• Dermatoscopy to visualize the lesion in detail.
• Biopsy if there is uncertainty about the benign nature of the 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 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 such as aspirin or ibuprofen a week prior.
• Inform the doctor of any allergies or medications being taken.
• Arrive at the appointment with clean skin, free of lotions or makeup.

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.
• Watch for signs of infection such as increased redness or discharge.

Possible Complications

While generally safe, there are potential risks involved.

• Infection at the site of excision.
• Scarring or changes in skin pigmentation.
• Bleeding or hematoma formation.
• Recurrence of the lesion.

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Post-Procedure Follow-Up

Follow-up appointments are important for monitoring recovery.

• Schedule a follow-up visit within 1-2 weeks to check the incision.
• Monitor for any unusual symptoms or complications.
• Discuss pathology results if a biopsy was performed.

Alternative Treatments

There are non-surgical options for managing benign lesions.

• Cryotherapy to freeze off the lesion.
• Topical treatments for superficial lesions.
• Laser therapy for cosmetic concerns.

Home Care Tips

Patients can take steps to aid their recovery at home.

• Keep the excision site clean and dry.
• Avoid picking at scabs or the incision.
• Use over-the-counter pain relief as needed.
• Follow all aftercare instructions provided by the healthcare provider.

Patient Education & Prevention

Educating patients can help prevent future lesions.

• Regular skin checks for new or changing lesions.
• Use sunscreen to protect skin from UV damage.
• Avoid excessive sun exposure, especially during peak hours.
• Report any changes in existing lesions to a healthcare provider.

Billing and Coding Information

CPT Code: 21700

Category: Surgery

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 depending on complexity.
• Most insurance plans cover excision of benign lesions.
• Check with your insurance provider for specific coverage details.

Related CPT Codes

• 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
• 11403 - Excision, benign skin lesion, face, ears, scalp; excised diameter over 4.0 cm.

References and Sources

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