The correct knee pain ICD-10 codes depend entirely on laterality.  Right knee pain, use M25.561. For left knee pain, use M25.562. For bilateral knee pain, use M25.569. These codes fall under “Pain in joint” category. Never use unspecified knee pain codes when laterality is known. Proper knee pain diagnosis code selection improves reimbursement. Always match the code to the documented side. Struggling with medical […]