Patient presents with complaints consistent with a lateral meniscus tear.  Onset of symptoms occurred [Date of onset] following [Mechanism of injury - e.g., twisting injury during sports activity, gradual onset with repetitive squatting].  Patient reports [Character of pain - e.g., sharp, aching, throbbing] pain localized to the lateral aspect of the [Right or Left] knee.  Pain is [Aggravating factors - e.g., exacerbated by weight-bearing, twisting motions] and [Relieving factors - e.g., relieved by rest, ice].  Associated symptoms include [Symptoms - e.g., clicking, popping, locking, swelling, stiffness, giving way].  Physical examination reveals [Positive findings - e.g., tenderness along the lateral joint line, positive McMurray's test, decreased range of motion].  Negative findings include [Negative findings - e.g., no ligamentous instability, intact neurovascular status].  Differential diagnosis includes lateral meniscus tear, ligamentous injury, patellofemoral pain syndrome, and osteoarthritis.  Impression is lateral meniscus tear.  Plan includes [Diagnostic tests - e.g., knee MRI to confirm diagnosis] and [Treatment plan - e.g., conservative management with physical therapy, NSAIDs, and activity modification;  consider orthopedic referral for surgical evaluation if symptoms persist or worsen].  Return to clinic in [Timeframe - e.g., 2-4 weeks] for reevaluation.  ICD-10 code: [Appropriate ICD-10 code - e.g., M23.21] depending on laterality and specifics of the tear.  Medical necessity for diagnostic testing and treatment is documented.