Patient presents with a rash of unspecified etiology.  The skin eruption is characterized by [description of morphology: e.g., erythematous macules, papules, vesicles, plaques, etc.],  located on [body location: e.g., trunk, extremities, face, etc.].  The onset of the rash was [timeframe: e.g., two days ago, one week ago, etc.], and the patient reports [associated symptoms: e.g., pruritus, burning, pain, fever, etc.,  or denies associated symptoms].  The patient denies any known allergies or recent exposure to new medications, soaps, lotions, or environmental irritants.  Past medical history is significant for [relevant medical history or none if applicable].  Current medications include [list current medications or none if applicable].  Physical examination reveals [objective findings: e.g., well-demarcated erythematous rash with mild edema on the bilateral lower extremities, etc.].  Differential diagnosis includes contact dermatitis, eczema, drug eruption, viral exanthem, and other dermatological conditions.  Given the unspecified nature of the rash, further investigation may be warranted.  Plan includes symptomatic treatment with [treatment plan: e.g., topical corticosteroids, oral antihistamines, etc.].  Patient education provided regarding skin care and avoidance of potential irritants.  Follow-up recommended in [timeframe: e.g., one week, two weeks, etc.] to assess response to treatment and further evaluate the etiology of the rash.  ICD-10 code R21 will be used for Rash and other nonspecific skin eruption.  Medical billing codes will be determined based on the complexity of the visit and procedures performed.