ICD Code L93

ICD code L93 is discoid lupus erythematosus and other chronic cutaneous lupus erythematosus.

1. Presence of well-defined, erythematous or violaceous, scaly plaques or papules, often with a raised border and central atrophy

2. Lesions commonly located on sun-exposed areas such as the face, scalp, and ears

3. Evidence of follicular plugging within the lesions

4. Possible development of scarring and pigmentary changes (hypopigmentation or hyperpigmentation)

5. Chronicity of skin lesions, persisting for months or years

6. Absence of systemic symptoms such as fever, malaise, or joint pain

7. Histopathological findings consistent with interface dermatitis, basement membrane thickening, and perivascular lymphocytic infiltrate

8. Negative or non-specific serological markers for systemic autoimmune disease

Relevant CPT codes that may be used to treat ICD code L93 include:

- 11102 (Tangential biopsy of skin)

- 11104 (Punch biopsy of skin)

- 11106 (Incisional biopsy of skin)

- 96910 (Photochemotherapy; tar and ultraviolet B [Goeckerman treatment] or petrolatum and ultraviolet B)

- 96912 (Photochemotherapy; psoralens and ultraviolet A [PUVA])

- 96567 (Photodynamic therapy for skin)

- 99201–99215 (Evaluation and management services, new and established patients)

- 11900–11901 (Injection, intralesional; up to and over 7 lesions)

- 96405–96406 (Chemotherapy administration, intralesional)

Selection of CPT codes depends on the specific treatment rendered for ICD code L93.

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