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Orthopedics & Traumatology

MCL Sprain, Grade I, Left Knee

ICD-10 Code
S83.412A_1

Clinical diagnosis and template for MCL Sprain, Grade I, Left Knee.

Clinical Presentation & Protocol

Patient Usually Complains Of

Patient presents with left knee pain following a valgus stress injury. Reports localized medial joint line tenderness and mild discomfort with weight-bearing. No mechanical symptoms such as locking, catching, or giving way. No history of prior trauma or instability in the affected knee.

Clinical Examination Findings

Left knee examination reveals mild tenderness along the medial collateral ligament (MCL) course. Valgus stress test at 0 and 30 degrees of flexion is positive for pain but demonstrates firm endpoint with no increased laxity compared to the contralateral side. Lachman and posterior drawer tests are negative. No joint effusion or significant swelling noted. Neurovascular status is intact distally.

Treatment Protocol

Conservative management initiated: RICE protocol (Rest, Ice, Compression, Elevation) for 48-72 hours. Activity modification to avoid valgus stress-inducing movements. Initiation of physical therapy for range of motion exercises and strengthening of the quadriceps and hamstrings. NSAIDs as needed for pain control. Follow-up in 2-3 weeks to assess progress.

Detailed clinical guide coming soon.