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2025 CPT code 11403

Excision of a benign skin lesion (excluding skin tags) with a diameter of 2.1 to 3.0 cm, including margins, from the trunk, arms, or legs, with simple closure.

Follow current CPT coding guidelines, especially those related to lesion excision, margin measurement, and closure techniques.Consult the official CPT manual for the most up-to-date information.

Modifiers such as 59 (Distinct Procedural Service) may be applicable when multiple lesions are excised during the same session, or when additional services are provided.Consult the official CPT manual for specific modifier usage guidelines.

Medical necessity is established when the lesion is symptomatic (e.g., painful, itchy, or cosmetically undesirable), or if there is concern for malignancy (although this code is for benign lesions).Documentation must support the clinical justification for the excision.

The clinical responsibility involves proper patient preparation, local anesthesia, precise excision of the lesion with appropriate margins, hemostasis (control of bleeding), and simple closure of the wound.The excised tissue may be sent for pathological examination.

IMPORTANT:For lesions of different diameters, refer to CPT codes 11400-11446.For shave removal, see 11300 et seq. For electrosurgical or other methods, see 17000 et seq. For lesions requiring more than simple closure, additional codes (12031-12057, 13100-13153) may be necessary.

In simple words: The doctor cuts out a non-cancerous growth (not a skin tag) on your body (trunk, arms, or legs) that's about 2.1 to 3 centimeters wide, including a little extra skin around it to make sure it's all gone.They then stitch up the area with a simple closure.

This CPT code (11403) describes the surgical excision of a benign lesion (excluding skin tags) from the skin of the trunk, arms, or legs. The greatest clinical diameter of the lesion, plus the necessary margin for complete excision, measures between 2.1 and 3.0 cm. The procedure involves full-thickness removal of the lesion through the dermis and includes simple, non-layered closure.Each lesion excised is reported separately.More complex closures require additional coding.

Example 1: A 45-year-old female presents with a 2.5 cm benign nevus on her left upper arm. The physician excises the lesion with a 2mm margin, and performs simple closure., A 60-year-old male presents with a 2.8 cm seborrheic keratosis on his back. The physician excises the lesion with a 3mm margin, and performs simple closure. A pathology specimen is sent for analysis., A 22-year-old female presents with two benign lesions on her left leg measuring 2.2 cm and 2.9 cm respectively. The physician excises both lesions separately. Modifier 59 is added to the second code.

Complete medical history, physical examination findings noting the lesion's location, size, and characteristics.Preoperative and postoperative photographs are recommended, along with documentation of the excision technique (including margins), tissue handling, closure method, and pathology report (if applicable).

** Accurate measurement of the lesion and margins is crucial for correct code selection.The clinical judgment of the physician is paramount in determining the appropriate code.

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