Patient presents with myalgia, characterized by muscle pain, soreness, or aching.  The patient reports [location of pain - e.g., localized to the lower back, diffuse muscle aches, bilateral leg pain].  Onset of pain was [onset - e.g., gradual, sudden] and occurred [duration - e.g., two weeks ago, yesterday] following [possible precipitating event - e.g., strenuous exercise, a fall, no known cause].  The pain is described as [quality of pain - e.g., dull, sharp, throbbing, cramping] and is [severity - e.g., mild, moderate, severe] in intensity, impacting [impact on activities of daily living - e.g., sleep, mobility, work].  Associated symptoms include [associated symptoms - e.g., stiffness, weakness, fatigue, localized swelling, redness, tenderness to palpation].  Review of systems is otherwise unremarkable.  Physical examination reveals [physical exam findings - e.g., tenderness to palpation in the affected area, limited range of motion, no palpable warmth or erythema, normal muscle strength].  Differential diagnosis includes musculoskeletal strain, fibromyalgia, myositis, medication-induced myalgia, and viral infection.  Initial assessment suggests [likely diagnosis - e.g., muscle strain].  Plan includes [treatment plan - e.g., conservative management with rest, ice, compression, elevation (RICE), over-the-counter analgesics such as ibuprofen or acetaminophen, and gentle stretching exercises.  Patient education provided on proper body mechanics and activity modification].  Follow-up scheduled in [duration - e.g., one week, two weeks] to reassess symptoms and adjust treatment plan as needed.  ICD-10 code: [appropriate ICD-10 code - e.g., M79.1 for Myalgia].