Patient presents with complaints consistent with penile rash.  Onset of rash documented as (date of onset).  Location of rash specified as (e.g., glans penis, shaft, scrotum, base, inguinal area).  Morphology of the rash described as (e.g., erythematous, maculopapular, vesicular, pustular, scaly, ulcerated).  Patient reports associated symptoms including (e.g., itching, pruritus, burning, pain, discharge, dysuria, penile swelling, edema, inguinal lymphadenopathy).  Patient denies (relevant negatives, e.g., fever, chills, malaise, new sexual partners).  Sexual history obtained and documented.  Allergies noted.  Medications reviewed.  Differential diagnosis includes contact dermatitis, balanitis, candidiasis, psoriasis, eczema, lichen planus, sexually transmitted infections (STIs) such as herpes simplex virus, syphilis, and HPV.  Physical examination reveals (objective findings consistent with rash description).  Assessment: Penile rash, etiology to be determined.  Plan:  Pending further investigation, patient education provided regarding hygiene and avoidance of irritants.  (If applicable:  Swab obtained for microscopy and culture.  Blood work ordered for STI screening).  Prescribed (medication, e.g., topical corticosteroid, antifungal cream, antiviral medication).  Follow-up scheduled in (duration) to assess response to treatment and further investigate etiology if necessary.  Patient advised to return sooner if symptoms worsen or new symptoms develop.  ICD-10 code (appropriate code based on suspected etiology, e.g., L00, N48.1, A60.0) assigned pending definitive diagnosis.  Medical necessity for diagnostic testing and treatment documented.