ICD Code L65.9

ICD code L65.9 is nonscarring hair loss of an unspecified type, meaning hair loss that does not cause permanent damage to hair follicles and the exact cause or type has not been identified.

1. Presence of hair loss without visible scarring on the scalp or affected area

2. Diffuse or patchy hair thinning or shedding

3. Absence of inflammation, scaling, or erythema in the area of hair loss

4. No evidence of cicatricial (scarring) alopecia on clinical examination

5. Patient history does not indicate trauma, burns, or other causes of permanent follicle destruction

6. Hair loss etiology remains unclear or cannot be classified under a more specific diagnosis

7. No associated systemic symptoms that would suggest an alternative diagnosis

Relevant CPT codes that may be used to treat ICD code L65.9 include:

- 99202–99215 (Evaluation and Management services)

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

- 96920 (Laser treatment for inflammatory skin disease [e.g., psoriasis]; total body, phototherapy)

- 96921 (Laser treatment for inflammatory skin disease; partial body, phototherapy)

- 11900 (Injection, intralesional; up to and including 7 lesions)

- 11901 (Injection, intralesional; more than 7 lesions)

- 17340 (Cryotherapy [liquid nitrogen], up to 14 lesions)

- 15775 (Punch graft for hair transplant; 1 to 15 punch grafts)

- 15776 (Punch graft for hair transplant; more than 15 punch grafts)

- 15780 (Dermabrasion; total face [may be used for scalp])

- 15781 (Dermabrasion; segmental, face [may be used for scalp])

- 15782 (Dermabrasion; regional, other than face)

CPT code selection should be based on the specific treatment rendered for L65.9.

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