ICD Code B35.4

ICD code B35.4 is a diagnosis code for tinea corporis, which refers to a fungal infection of the skin on the body, commonly known as ringworm.

1. Presence of one or more annular, erythematous, scaly plaques with central clearing on the trunk, arms, or legs

2. Lesions may be pruritic (itchy)

3. Well-demarcated, raised borders

4. Absence of involvement of the scalp, beard area, groin, hands, or feet

5. Positive findings on potassium hydroxide (KOH) preparation or fungal culture confirming dermatophyte infection

6. Exclusion of other causes of annular lesions such as eczema, psoriasis, or granuloma annulare

Relevant CPT codes that may be used to treat ICD code B35.4 include:

- 99201–99215 (Evaluation and Management services)

- 87801 (Infectious agent detection by nucleic acid, multiple organisms)

- 88305 (Pathology examination of skin biopsy, if performed)

- 11102, 11103 (Tangential biopsy of skin)

- 11300–11313 (Shaving of epidermal or dermal lesion)

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

- 96910–96913 (Phototherapy, if indicated)

- 96372 (Therapeutic, prophylactic, or diagnostic injection)

CPT code selection depends on the specific services rendered for ICD code B35.4.

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