Patient presents with diffuse arthralgia, consistent with generalized joint pain, impacting multiple joints.  Onset was gradual over the past [timeframe, e.g., three months], with no clear precipitating event identified.  Pain is described as [character of pain, e.g., aching, throbbing] and is [severity, e.g., mild, moderate, severe] in intensity.  Stiffness is present, particularly in the [location, e.g., morning, after periods of inactivity] and lasts for approximately [duration, e.g., 30 minutes].  Patient denies any specific injury, trauma, or localized joint swelling, redness, or warmth.  Review of systems negative for fever, chills, rash, or weight loss.  Physical examination reveals tenderness to palpation on multiple joints bilaterally, including [specific joint locations].  Range of motion is slightly reduced due to pain but no significant limitations noted.  No evidence of synovitis or deformity.  Differential diagnosis includes fibromyalgia, polymyalgia rheumatica, and other systemic inflammatory conditions.  Initial diagnostic workup will include complete blood count (CBC), erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), and rheumatoid factor (RF) to evaluate for inflammatory markers.  Assessment: Generalized joint pain, etiology undetermined. Plan:  Patient education provided on pain management strategies, including over-the-counter analgesics such as ibuprofen or acetaminophen.  Follow-up scheduled in [timeframe, e.g., two weeks] to review lab results and discuss further management, including potential referral to rheumatology if indicated.  ICD-10 code M25.50 for unspecified arthralgia will be used pending further investigation.