Patient presents with knee pain, experiencing symptoms consistent with knee joint pain.  Onset of pain was (gradual/acute) and began (duration) ago.  The patient describes the pain as (sharp, dull, aching, throbbing, etc.) and localized to the (anterior, posterior, medial, lateral) aspect of the knee.  Pain is (constant/intermittent) and aggravated by (activities such as walking, stairs, running, prolonged standing, etc.).  Alleviating factors include (rest, ice, elevation, medication).  Patient denies (or reports) any locking, popping, clicking, giving way, or instability.  The patient reports (or denies) previous knee injuries, surgeries, or arthritis.  Physical examination reveals (tenderness to palpation, swelling, erythema, warmth, range of motion limitations, crepitus, joint effusion, ligamentous instability).  McMurrays and Lachman tests were (positive/negative).  Differential diagnosis includes osteoarthritis, meniscus tear, ligament sprain, bursitis, patellofemoral pain syndrome, tendinitis, and referred pain.  Assessment: Knee pain, likely due to (presumptive diagnosis based on history and physical exam). Plan:  Conservative management with (RICE - rest, ice, compression, elevation), NSAIDs for pain relief, physical therapy referral for strengthening and range of motion exercises.  Consider diagnostic imaging (X-ray, MRI) if symptoms persist or worsen.  Follow-up scheduled in (duration).  Patient education provided on activity modification and home exercises.  Medical coding considerations include ICD-10 code for knee pain (e.g., M25.56) and CPT codes for evaluation and management (e.g., 99203-99205 for new patients, 99212-99215 for established patients), as well as any procedures performed.  Further diagnostic testing or specialist referral may necessitate additional codes.