Patient presents with a chief complaint of generalized body aches, also described as diffuse muscle pain, myalgia, or widespread pain.  Onset of symptoms is reported as [onset - gradual/sudden] and duration is [duration].  Pain quality is described as [aching/sore/stiff/throbbing/burning] and is rated [pain scale rating] on a 0-10 scale.  The pain is diffuse and not localized to a specific area, affecting the [upper/lower/entire] body.  Associated symptoms may include fatigue, malaise, sleep disturbances, and low-grade fever.  Review of systems is otherwise negative for specific joint pain, swelling, redness, or localized tenderness suggestive of arthritis or other inflammatory conditions.  Physical examination reveals no focal musculoskeletal abnormalities.  Vital signs are within normal limits except for possible mild temperature elevation.  Differential diagnosis includes viral illness, fibromyalgia, influenza, medication side effects, and other systemic conditions.  Initial assessment suggests a diagnosis of generalized body aches likely related to [possible etiology, e.g., viral syndrome, overexertion].  Plan includes symptomatic treatment with over-the-counter analgesics such as acetaminophen or ibuprofen, rest, hydration, and close monitoring.  Patient education provided regarding self-care measures and advised to return for further evaluation if symptoms worsen or persist beyond [timeframe].  Follow-up scheduled in [timeframe].  ICD-10 code: [appropriate ICD-10 code, e.g., R53.1 for myalgia] will be utilized for billing and coding purposes.