ICD Code L73.9

ICD code L73.9 is a diagnosis for an unspecified follicular disorder, which refers to a condition affecting hair follicles without specifying the exact type or cause.

1. Presence of abnormal changes or disorders affecting hair follicles

2. Clinical evidence of follicular involvement without a more specific diagnosis

3. Symptoms such as follicular papules, pustules, or nodules

4. Absence of identifiable infectious, inflammatory, or neoplastic etiology

5. Lack of sufficient clinical or histopathological findings to classify under a more specific follicular disorder

6. Persistent or recurrent follicular lesions not attributable to other dermatologic conditions

Relevant CPT codes that may be used to treat ICD code L73.9 include:

- 11102: Tangential biopsy of skin; single lesion

- 11103: Tangential biopsy of skin; each separate/additional lesion

- 11104: Punch biopsy of skin; single lesion

- 11105: Punch biopsy of skin; each separate/additional lesion

- 10060: Incision and drainage of abscess (simple or single)

- 10061: Incision and drainage of abscess (complicated or multiple)

- 11400–11406: Excision of benign lesion including margins, trunk, arms, or legs (size-based)

- 12001–12007: Simple repair of superficial wounds (if required after excision or drainage)

- 17000: Destruction of premalignant lesion, first lesion

- 17110: Destruction of benign lesions, up to 14 lesions

CPT code selection should be based on the specific procedure performed for the treatment of L73.9.

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